Home / 8,449.32-12,669.42-5,988.96

Finding the Fourth Proportional to 8,449.32, 12,669.42 and 5,988.96

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Solution

The fourth proportional to 8,449.32, 12,669.42 and 5,988.96 is: 8,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.32 : 12,669.42 = 5,988.96 : x
  2. Step 2: Convert to fraction form
    8,449.32/12,669.42 = 5,988.96/x
  3. Step 3: Cross multiply
    8,449.32x = 12,669.42 × 5,988.96
  4. Step 4: Simplify right side
    8,449.32x = 75,876,649.60
  5. Step 5: Solve for x
    x = 75,876,649.60/8,449.32
  6. Step 6: Final answer
    x = 8,980.21

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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.