Home / 8,251.89-11,385.61-4,666.92

Finding the Fourth Proportional to 8,251.89, 11,385.61 and 4,666.92

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Solution

The fourth proportional to 8,251.89, 11,385.61 and 4,666.92 is: 6,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.89 : 11,385.61 = 4,666.92 : x
  2. Step 2: Convert to fraction form
    8,251.89/11,385.61 = 4,666.92/x
  3. Step 3: Cross multiply
    8,251.89x = 11,385.61 × 4,666.92
  4. Step 4: Simplify right side
    8,251.89x = 53,135,731.02
  5. Step 5: Solve for x
    x = 53,135,731.02/8,251.89
  6. Step 6: Final answer
    x = 6,439.22

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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.