Home / 5,456.53-7,528.85-3,217.59

Finding the Fourth Proportional to 5,456.53, 7,528.85 and 3,217.59

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Solution

The fourth proportional to 5,456.53, 7,528.85 and 3,217.59 is: 4,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.53 : 7,528.85 = 3,217.59 : x
  2. Step 2: Convert to fraction form
    5,456.53/7,528.85 = 3,217.59/x
  3. Step 3: Cross multiply
    5,456.53x = 7,528.85 × 3,217.59
  4. Step 4: Simplify right side
    5,456.53x = 24,224,748.45
  5. Step 5: Solve for x
    x = 24,224,748.45/5,456.53
  6. Step 6: Final answer
    x = 4,439.59

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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.