Home / 5,372.30-8,047.65-3,622.70

Finding the Fourth Proportional to 5,372.30, 8,047.65 and 3,622.70

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Solution

The fourth proportional to 5,372.30, 8,047.65 and 3,622.70 is: 5,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.30 : 8,047.65 = 3,622.70 : x
  2. Step 2: Convert to fraction form
    5,372.30/8,047.65 = 3,622.70/x
  3. Step 3: Cross multiply
    5,372.30x = 8,047.65 × 3,622.70
  4. Step 4: Simplify right side
    5,372.30x = 29,154,221.66
  5. Step 5: Solve for x
    x = 29,154,221.66/5,372.30
  6. Step 6: Final answer
    x = 5,426.77

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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.