Home / 6,931.68-10,397.28-2,001.12

Finding the Fourth Proportional to 6,931.68, 10,397.28 and 2,001.12

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Solution

The fourth proportional to 6,931.68, 10,397.28 and 2,001.12 is: 3,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.68 : 10,397.28 = 2,001.12 : x
  2. Step 2: Convert to fraction form
    6,931.68/10,397.28 = 2,001.12/x
  3. Step 3: Cross multiply
    6,931.68x = 10,397.28 × 2,001.12
  4. Step 4: Simplify right side
    6,931.68x = 20,806,204.95
  5. Step 5: Solve for x
    x = 20,806,204.95/6,931.68
  6. Step 6: Final answer
    x = 3,001.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.