Home / 9,006.45-12,428.49-5,027.58

Finding the Fourth Proportional to 9,006.45, 12,428.49 and 5,027.58

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Solution

The fourth proportional to 9,006.45, 12,428.49 and 5,027.58 is: 6,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.45 : 12,428.49 = 5,027.58 : x
  2. Step 2: Convert to fraction form
    9,006.45/12,428.49 = 5,027.58/x
  3. Step 3: Cross multiply
    9,006.45x = 12,428.49 × 5,027.58
  4. Step 4: Simplify right side
    9,006.45x = 62,485,227.75
  5. Step 5: Solve for x
    x = 62,485,227.75/9,006.45
  6. Step 6: Final answer
    x = 6,937.83

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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.