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Finding the Fourth Proportional to 8,401.54, 12,610.11 and 4,244.48

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Solution

The fourth proportional to 8,401.54, 12,610.11 and 4,244.48 is: 6,370.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.54 : 12,610.11 = 4,244.48 : x
  2. Step 2: Convert to fraction form
    8,401.54/12,610.11 = 4,244.48/x
  3. Step 3: Cross multiply
    8,401.54x = 12,610.11 × 4,244.48
  4. Step 4: Simplify right side
    8,401.54x = 53,523,328.47
  5. Step 5: Solve for x
    x = 53,523,328.47/8,401.54
  6. Step 6: Final answer
    x = 6,370.65

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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.