Home / 8,764.92-13,150.10-3,142.64

Finding the Fourth Proportional to 8,764.92, 13,150.10 and 3,142.64

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Solution

The fourth proportional to 8,764.92, 13,150.10 and 3,142.64 is: 4,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.92 : 13,150.10 = 3,142.64 : x
  2. Step 2: Convert to fraction form
    8,764.92/13,150.10 = 3,142.64/x
  3. Step 3: Cross multiply
    8,764.92x = 13,150.10 × 3,142.64
  4. Step 4: Simplify right side
    8,764.92x = 41,326,030.26
  5. Step 5: Solve for x
    x = 41,326,030.26/8,764.92
  6. Step 6: Final answer
    x = 4,714.94

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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.