Home / 9,088.34-12,542.85-5,553.90

Finding the Fourth Proportional to 9,088.34, 12,542.85 and 5,553.90

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Solution

The fourth proportional to 9,088.34, 12,542.85 and 5,553.90 is: 7,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.34 : 12,542.85 = 5,553.90 : x
  2. Step 2: Convert to fraction form
    9,088.34/12,542.85 = 5,553.90/x
  3. Step 3: Cross multiply
    9,088.34x = 12,542.85 × 5,553.90
  4. Step 4: Simplify right side
    9,088.34x = 69,661,734.62
  5. Step 5: Solve for x
    x = 69,661,734.62/9,088.34
  6. Step 6: Final answer
    x = 7,664.96

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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.