Home / 5,587.32-8,380.42-2,812.88

Finding the Fourth Proportional to 5,587.32, 8,380.42 and 2,812.88

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Solution

The fourth proportional to 5,587.32, 8,380.42 and 2,812.88 is: 4,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.32 : 8,380.42 = 2,812.88 : x
  2. Step 2: Convert to fraction form
    5,587.32/8,380.42 = 2,812.88/x
  3. Step 3: Cross multiply
    5,587.32x = 8,380.42 × 2,812.88
  4. Step 4: Simplify right side
    5,587.32x = 23,573,115.81
  5. Step 5: Solve for x
    x = 23,573,115.81/5,587.32
  6. Step 6: Final answer
    x = 4,219.04

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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.