Home / 8,373.27-12,559.92-3,977.40

Finding the Fourth Proportional to 8,373.27, 12,559.92 and 3,977.40

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Solution

The fourth proportional to 8,373.27, 12,559.92 and 3,977.40 is: 5,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.27 : 12,559.92 = 3,977.40 : x
  2. Step 2: Convert to fraction form
    8,373.27/12,559.92 = 3,977.40/x
  3. Step 3: Cross multiply
    8,373.27x = 12,559.92 × 3,977.40
  4. Step 4: Simplify right side
    8,373.27x = 49,955,857.99
  5. Step 5: Solve for x
    x = 49,955,857.99/8,373.27
  6. Step 6: Final answer
    x = 5,966.11

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Similar ratio
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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.