Home / 6,279.86-9,417.62-3,158.66

Finding the Fourth Proportional to 6,279.86, 9,417.62 and 3,158.66

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Solution

The fourth proportional to 6,279.86, 9,417.62 and 3,158.66 is: 4,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.86 : 9,417.62 = 3,158.66 : x
  2. Step 2: Convert to fraction form
    6,279.86/9,417.62 = 3,158.66/x
  3. Step 3: Cross multiply
    6,279.86x = 9,417.62 × 3,158.66
  4. Step 4: Simplify right side
    6,279.86x = 29,747,059.59
  5. Step 5: Solve for x
    x = 29,747,059.59/6,279.86
  6. Step 6: Final answer
    x = 4,736.90

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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.