Home / 9,051.55-12,490.63-5,275.33

Finding the Fourth Proportional to 9,051.55, 12,490.63 and 5,275.33

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Solution

The fourth proportional to 9,051.55, 12,490.63 and 5,275.33 is: 7,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.55 : 12,490.63 = 5,275.33 : x
  2. Step 2: Convert to fraction form
    9,051.55/12,490.63 = 5,275.33/x
  3. Step 3: Cross multiply
    9,051.55x = 12,490.63 × 5,275.33
  4. Step 4: Simplify right side
    9,051.55x = 65,892,195.16
  5. Step 5: Solve for x
    x = 65,892,195.16/9,051.55
  6. Step 6: Final answer
    x = 7,279.66

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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.