Home / 9,349.90-12,901.38-5,572.98

Finding the Fourth Proportional to 9,349.90, 12,901.38 and 5,572.98

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Solution

The fourth proportional to 9,349.90, 12,901.38 and 5,572.98 is: 7,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.90 : 12,901.38 = 5,572.98 : x
  2. Step 2: Convert to fraction form
    9,349.90/12,901.38 = 5,572.98/x
  3. Step 3: Cross multiply
    9,349.90x = 12,901.38 × 5,572.98
  4. Step 4: Simplify right side
    9,349.90x = 71,899,132.71
  5. Step 5: Solve for x
    x = 71,899,132.71/9,349.90
  6. Step 6: Final answer
    x = 7,689.83

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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.