Home / 5,439.15-8,151.11-2,314.94

Finding the Fourth Proportional to 5,439.15, 8,151.11 and 2,314.94

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Solution

The fourth proportional to 5,439.15, 8,151.11 and 2,314.94 is: 3,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.15 : 8,151.11 = 2,314.94 : x
  2. Step 2: Convert to fraction form
    5,439.15/8,151.11 = 2,314.94/x
  3. Step 3: Cross multiply
    5,439.15x = 8,151.11 × 2,314.94
  4. Step 4: Simplify right side
    5,439.15x = 18,869,278.25
  5. Step 5: Solve for x
    x = 18,869,278.25/5,439.15
  6. Step 6: Final answer
    x = 3,469.16

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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.