Home / 8,331.34-12,490.78-5,043.64

Finding the Fourth Proportional to 8,331.34, 12,490.78 and 5,043.64

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Solution

The fourth proportional to 8,331.34, 12,490.78 and 5,043.64 is: 7,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.34 : 12,490.78 = 5,043.64 : x
  2. Step 2: Convert to fraction form
    8,331.34/12,490.78 = 5,043.64/x
  3. Step 3: Cross multiply
    8,331.34x = 12,490.78 × 5,043.64
  4. Step 4: Simplify right side
    8,331.34x = 62,998,909.97
  5. Step 5: Solve for x
    x = 62,998,909.97/8,331.34
  6. Step 6: Final answer
    x = 7,561.68

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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.