Home / 8,390.27-12,560.80-5,882.76

Finding the Fourth Proportional to 8,390.27, 12,560.80 and 5,882.76

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Solution

The fourth proportional to 8,390.27, 12,560.80 and 5,882.76 is: 8,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.27 : 12,560.80 = 5,882.76 : x
  2. Step 2: Convert to fraction form
    8,390.27/12,560.80 = 5,882.76/x
  3. Step 3: Cross multiply
    8,390.27x = 12,560.80 × 5,882.76
  4. Step 4: Simplify right side
    8,390.27x = 73,892,171.81
  5. Step 5: Solve for x
    x = 73,892,171.81/8,390.27
  6. Step 6: Final answer
    x = 8,806.89

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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.