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Finding the Fourth Proportional to 8,411.85, 12,604.82 and 4,024.89

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Solution

The fourth proportional to 8,411.85, 12,604.82 and 4,024.89 is: 6,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.85 : 12,604.82 = 4,024.89 : x
  2. Step 2: Convert to fraction form
    8,411.85/12,604.82 = 4,024.89/x
  3. Step 3: Cross multiply
    8,411.85x = 12,604.82 × 4,024.89
  4. Step 4: Simplify right side
    8,411.85x = 50,732,993.85
  5. Step 5: Solve for x
    x = 50,732,993.85/8,411.85
  6. Step 6: Final answer
    x = 6,031.13

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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.