Home / 9,117.52-12,582.22-5,342.92

Finding the Fourth Proportional to 9,117.52, 12,582.22 and 5,342.92

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Solution

The fourth proportional to 9,117.52, 12,582.22 and 5,342.92 is: 7,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.52 : 12,582.22 = 5,342.92 : x
  2. Step 2: Convert to fraction form
    9,117.52/12,582.22 = 5,342.92/x
  3. Step 3: Cross multiply
    9,117.52x = 12,582.22 × 5,342.92
  4. Step 4: Simplify right side
    9,117.52x = 67,225,794.88
  5. Step 5: Solve for x
    x = 67,225,794.88/9,117.52
  6. Step 6: Final answer
    x = 7,373.25

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Half scale
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Double scale
Find fourth proportional to 9,118.52, 12,583.60 and 5,343.92
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.