Home / 5,437.08-8,151.92-2,149.28

Finding the Fourth Proportional to 5,437.08, 8,151.92 and 2,149.28

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Solution

The fourth proportional to 5,437.08, 8,151.92 and 2,149.28 is: 3,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.08 : 8,151.92 = 2,149.28 : x
  2. Step 2: Convert to fraction form
    5,437.08/8,151.92 = 2,149.28/x
  3. Step 3: Cross multiply
    5,437.08x = 8,151.92 × 2,149.28
  4. Step 4: Simplify right side
    5,437.08x = 17,520,758.62
  5. Step 5: Solve for x
    x = 17,520,758.62/5,437.08
  6. Step 6: Final answer
    x = 3,222.46

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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.