Home / 7,498.38-11,247.87-2,817.90

Finding the Fourth Proportional to 7,498.38, 11,247.87 and 2,817.90

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Solution

The fourth proportional to 7,498.38, 11,247.87 and 2,817.90 is: 4,226.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.38 : 11,247.87 = 2,817.90 : x
  2. Step 2: Convert to fraction form
    7,498.38/11,247.87 = 2,817.90/x
  3. Step 3: Cross multiply
    7,498.38x = 11,247.87 × 2,817.90
  4. Step 4: Simplify right side
    7,498.38x = 31,695,372.87
  5. Step 5: Solve for x
    x = 31,695,372.87/7,498.38
  6. Step 6: Final answer
    x = 4,226.96

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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.