Home / 8,608.25-12,909.56-3,342.89

Finding the Fourth Proportional to 8,608.25, 12,909.56 and 3,342.89

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Solution

The fourth proportional to 8,608.25, 12,909.56 and 3,342.89 is: 5,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.25 : 12,909.56 = 3,342.89 : x
  2. Step 2: Convert to fraction form
    8,608.25/12,909.56 = 3,342.89/x
  3. Step 3: Cross multiply
    8,608.25x = 12,909.56 × 3,342.89
  4. Step 4: Simplify right side
    8,608.25x = 43,155,254.59
  5. Step 5: Solve for x
    x = 43,155,254.59/8,608.25
  6. Step 6: Final answer
    x = 5,013.24

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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.