Home / 5,437.53-8,150.49-2,149.20

Finding the Fourth Proportional to 5,437.53, 8,150.49 and 2,149.20

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Solution

The fourth proportional to 5,437.53, 8,150.49 and 2,149.20 is: 3,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.53 : 8,150.49 = 2,149.20 : x
  2. Step 2: Convert to fraction form
    5,437.53/8,150.49 = 2,149.20/x
  3. Step 3: Cross multiply
    5,437.53x = 8,150.49 × 2,149.20
  4. Step 4: Simplify right side
    5,437.53x = 17,517,033.11
  5. Step 5: Solve for x
    x = 17,517,033.11/5,437.53
  6. Step 6: Final answer
    x = 3,221.51

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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.