Home / 8,962.72-13,449.92-3,416.11

Finding the Fourth Proportional to 8,962.72, 13,449.92 and 3,416.11

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Solution

The fourth proportional to 8,962.72, 13,449.92 and 3,416.11 is: 5,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.72 : 13,449.92 = 3,416.11 : x
  2. Step 2: Convert to fraction form
    8,962.72/13,449.92 = 3,416.11/x
  3. Step 3: Cross multiply
    8,962.72x = 13,449.92 × 3,416.11
  4. Step 4: Simplify right side
    8,962.72x = 45,946,406.21
  5. Step 5: Solve for x
    x = 45,946,406.21/8,962.72
  6. Step 6: Final answer
    x = 5,126.39

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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.