Home / 4,505.20-6,217.12-2,515.70

Finding the Fourth Proportional to 4,505.20, 6,217.12 and 2,515.70

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Solution

The fourth proportional to 4,505.20, 6,217.12 and 2,515.70 is: 3,471.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.20 : 6,217.12 = 2,515.70 : x
  2. Step 2: Convert to fraction form
    4,505.20/6,217.12 = 2,515.70/x
  3. Step 3: Cross multiply
    4,505.20x = 6,217.12 × 2,515.70
  4. Step 4: Simplify right side
    4,505.20x = 15,640,408.78
  5. Step 5: Solve for x
    x = 15,640,408.78/4,505.20
  6. Step 6: Final answer
    x = 3,471.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.