Home / 7,489.11-10,335.03-4,132.16

Finding the Fourth Proportional to 7,489.11, 10,335.03 and 4,132.16

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Solution

The fourth proportional to 7,489.11, 10,335.03 and 4,132.16 is: 5,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.11 : 10,335.03 = 4,132.16 : x
  2. Step 2: Convert to fraction form
    7,489.11/10,335.03 = 4,132.16/x
  3. Step 3: Cross multiply
    7,489.11x = 10,335.03 × 4,132.16
  4. Step 4: Simplify right side
    7,489.11x = 42,706,031.15
  5. Step 5: Solve for x
    x = 42,706,031.15/7,489.11
  6. Step 6: Final answer
    x = 5,702.42

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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.