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Finding the Fourth Proportional to 8,562.08, 12,843.12 and 4,401.44

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Solution

The fourth proportional to 8,562.08, 12,843.12 and 4,401.44 is: 6,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.08 : 12,843.12 = 4,401.44 : x
  2. Step 2: Convert to fraction form
    8,562.08/12,843.12 = 4,401.44/x
  3. Step 3: Cross multiply
    8,562.08x = 12,843.12 × 4,401.44
  4. Step 4: Simplify right side
    8,562.08x = 56,528,222.09
  5. Step 5: Solve for x
    x = 56,528,222.09/8,562.08
  6. Step 6: Final answer
    x = 6,602.16

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Similar ratio
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1.5x scale

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.