Home / 8,202.30-12,291.92-4,687.04

Finding the Fourth Proportional to 8,202.30, 12,291.92 and 4,687.04

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Solution

The fourth proportional to 8,202.30, 12,291.92 and 4,687.04 is: 7,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.30 : 12,291.92 = 4,687.04 : x
  2. Step 2: Convert to fraction form
    8,202.30/12,291.92 = 4,687.04/x
  3. Step 3: Cross multiply
    8,202.30x = 12,291.92 × 4,687.04
  4. Step 4: Simplify right side
    8,202.30x = 57,612,767.21
  5. Step 5: Solve for x
    x = 57,612,767.21/8,202.30
  6. Step 6: Final answer
    x = 7,023.97

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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.