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Finding the Fourth Proportional to 8,984.42, 13,479.25 and 2,659.47

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Solution

The fourth proportional to 8,984.42, 13,479.25 and 2,659.47 is: 3,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.42 : 13,479.25 = 2,659.47 : x
  2. Step 2: Convert to fraction form
    8,984.42/13,479.25 = 2,659.47/x
  3. Step 3: Cross multiply
    8,984.42x = 13,479.25 × 2,659.47
  4. Step 4: Simplify right side
    8,984.42x = 35,847,616.27
  5. Step 5: Solve for x
    x = 35,847,616.27/8,984.42
  6. Step 6: Final answer
    x = 3,989.98

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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.