Home / 8,841.06-12,189.30-7,241.79

Finding the Fourth Proportional to 8,841.06, 12,189.30 and 7,241.79

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Solution

The fourth proportional to 8,841.06, 12,189.30 and 7,241.79 is: 9,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.06 : 12,189.30 = 7,241.79 : x
  2. Step 2: Convert to fraction form
    8,841.06/12,189.30 = 7,241.79/x
  3. Step 3: Cross multiply
    8,841.06x = 12,189.30 × 7,241.79
  4. Step 4: Simplify right side
    8,841.06x = 88,272,350.85
  5. Step 5: Solve for x
    x = 88,272,350.85/8,841.06
  6. Step 6: Final answer
    x = 9,984.36

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1.5x scale

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.