Home / 8,336.74-12,507.27-3,142.66

Finding the Fourth Proportional to 8,336.74, 12,507.27 and 3,142.66

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Solution

The fourth proportional to 8,336.74, 12,507.27 and 3,142.66 is: 4,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.74 : 12,507.27 = 3,142.66 : x
  2. Step 2: Convert to fraction form
    8,336.74/12,507.27 = 3,142.66/x
  3. Step 3: Cross multiply
    8,336.74x = 12,507.27 × 3,142.66
  4. Step 4: Simplify right side
    8,336.74x = 39,306,097.14
  5. Step 5: Solve for x
    x = 39,306,097.14/8,336.74
  6. Step 6: Final answer
    x = 4,714.80

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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.