Home / 5,435.59-8,149.74-2,512.30

Finding the Fourth Proportional to 5,435.59, 8,149.74 and 2,512.30

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Solution

The fourth proportional to 5,435.59, 8,149.74 and 2,512.30 is: 3,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.59 : 8,149.74 = 2,512.30 : x
  2. Step 2: Convert to fraction form
    5,435.59/8,149.74 = 2,512.30/x
  3. Step 3: Cross multiply
    5,435.59x = 8,149.74 × 2,512.30
  4. Step 4: Simplify right side
    5,435.59x = 20,474,591.80
  5. Step 5: Solve for x
    x = 20,474,591.80/5,435.59
  6. Step 6: Final answer
    x = 3,766.77

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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.