Home / 5,587.17-8,380.90-2,209.82

Finding the Fourth Proportional to 5,587.17, 8,380.90 and 2,209.82

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Solution

The fourth proportional to 5,587.17, 8,380.90 and 2,209.82 is: 3,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.17 : 8,380.90 = 2,209.82 : x
  2. Step 2: Convert to fraction form
    5,587.17/8,380.90 = 2,209.82/x
  3. Step 3: Cross multiply
    5,587.17x = 8,380.90 × 2,209.82
  4. Step 4: Simplify right side
    5,587.17x = 18,520,280.44
  5. Step 5: Solve for x
    x = 18,520,280.44/5,587.17
  6. Step 6: Final answer
    x = 3,314.79

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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.