Home / 5,230.12-7,834.38-4,191.88

Finding the Fourth Proportional to 5,230.12, 7,834.38 and 4,191.88

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Solution

The fourth proportional to 5,230.12, 7,834.38 and 4,191.88 is: 6,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.12 : 7,834.38 = 4,191.88 : x
  2. Step 2: Convert to fraction form
    5,230.12/7,834.38 = 4,191.88/x
  3. Step 3: Cross multiply
    5,230.12x = 7,834.38 × 4,191.88
  4. Step 4: Simplify right side
    5,230.12x = 32,840,780.83
  5. Step 5: Solve for x
    x = 32,840,780.83/5,230.12
  6. Step 6: Final answer
    x = 6,279.16

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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.