Home / 8,451.16-11,662.38-4,674.23

Finding the Fourth Proportional to 8,451.16, 11,662.38 and 4,674.23

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Solution

The fourth proportional to 8,451.16, 11,662.38 and 4,674.23 is: 6,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.16 : 11,662.38 = 4,674.23 : x
  2. Step 2: Convert to fraction form
    8,451.16/11,662.38 = 4,674.23/x
  3. Step 3: Cross multiply
    8,451.16x = 11,662.38 × 4,674.23
  4. Step 4: Simplify right side
    8,451.16x = 54,512,646.47
  5. Step 5: Solve for x
    x = 54,512,646.47/8,451.16
  6. Step 6: Final answer
    x = 6,450.32

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Find fourth proportional to 4,225.58, 5,831.19 and 2,337.12
Half scale
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Double scale
Find fourth proportional to 8,452.16, 11,663.76 and 4,675.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.