Home / 8,391.96-12,588.33-5,937.75

Finding the Fourth Proportional to 8,391.96, 12,588.33 and 5,937.75

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Solution

The fourth proportional to 8,391.96, 12,588.33 and 5,937.75 is: 8,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.96 : 12,588.33 = 5,937.75 : x
  2. Step 2: Convert to fraction form
    8,391.96/12,588.33 = 5,937.75/x
  3. Step 3: Cross multiply
    8,391.96x = 12,588.33 × 5,937.75
  4. Step 4: Simplify right side
    8,391.96x = 74,746,356.46
  5. Step 5: Solve for x
    x = 74,746,356.46/8,391.96
  6. Step 6: Final answer
    x = 8,906.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.