Home / 5,437.26-8,155.89-2,151.90

Finding the Fourth Proportional to 5,437.26, 8,155.89 and 2,151.90

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Solution

The fourth proportional to 5,437.26, 8,155.89 and 2,151.90 is: 3,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.26 : 8,155.89 = 2,151.90 : x
  2. Step 2: Convert to fraction form
    5,437.26/8,155.89 = 2,151.90/x
  3. Step 3: Cross multiply
    5,437.26x = 8,155.89 × 2,151.90
  4. Step 4: Simplify right side
    5,437.26x = 17,550,659.69
  5. Step 5: Solve for x
    x = 17,550,659.69/5,437.26
  6. Step 6: Final answer
    x = 3,227.85

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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.