Home / 4,681.28-6,460.68-2,691.92

Finding the Fourth Proportional to 4,681.28, 6,460.68 and 2,691.92

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Solution

The fourth proportional to 4,681.28, 6,460.68 and 2,691.92 is: 3,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.28 : 6,460.68 = 2,691.92 : x
  2. Step 2: Convert to fraction form
    4,681.28/6,460.68 = 2,691.92/x
  3. Step 3: Cross multiply
    4,681.28x = 6,460.68 × 2,691.92
  4. Step 4: Simplify right side
    4,681.28x = 17,391,633.71
  5. Step 5: Solve for x
    x = 17,391,633.71/4,681.28
  6. Step 6: Final answer
    x = 3,715.14

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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.