Home / 9,006.13-12,428.65-4,972.94

Finding the Fourth Proportional to 9,006.13, 12,428.65 and 4,972.94

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Solution

The fourth proportional to 9,006.13, 12,428.65 and 4,972.94 is: 6,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.13 : 12,428.65 = 4,972.94 : x
  2. Step 2: Convert to fraction form
    9,006.13/12,428.65 = 4,972.94/x
  3. Step 3: Cross multiply
    9,006.13x = 12,428.65 × 4,972.94
  4. Step 4: Simplify right side
    9,006.13x = 61,806,930.73
  5. Step 5: Solve for x
    x = 61,806,930.73/9,006.13
  6. Step 6: Final answer
    x = 6,862.76

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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.