Home / 8,739.90-12,057.26-5,201.11

Finding the Fourth Proportional to 8,739.90, 12,057.26 and 5,201.11

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Solution

The fourth proportional to 8,739.90, 12,057.26 and 5,201.11 is: 7,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.90 : 12,057.26 = 5,201.11 : x
  2. Step 2: Convert to fraction form
    8,739.90/12,057.26 = 5,201.11/x
  3. Step 3: Cross multiply
    8,739.90x = 12,057.26 × 5,201.11
  4. Step 4: Simplify right side
    8,739.90x = 62,711,124.62
  5. Step 5: Solve for x
    x = 62,711,124.62/8,739.90
  6. Step 6: Final answer
    x = 7,175.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.