Home / 8,581.10-12,872.85-3,650.70

Finding the Fourth Proportional to 8,581.10, 12,872.85 and 3,650.70

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Solution

The fourth proportional to 8,581.10, 12,872.85 and 3,650.70 is: 5,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.10 : 12,872.85 = 3,650.70 : x
  2. Step 2: Convert to fraction form
    8,581.10/12,872.85 = 3,650.70/x
  3. Step 3: Cross multiply
    8,581.10x = 12,872.85 × 3,650.70
  4. Step 4: Simplify right side
    8,581.10x = 46,994,913.50
  5. Step 5: Solve for x
    x = 46,994,913.50/8,581.10
  6. Step 6: Final answer
    x = 5,476.56

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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.