Home / 5,348.08-7,379.94-2,989.90

Finding the Fourth Proportional to 5,348.08, 7,379.94 and 2,989.90

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Solution

The fourth proportional to 5,348.08, 7,379.94 and 2,989.90 is: 4,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.08 : 7,379.94 = 2,989.90 : x
  2. Step 2: Convert to fraction form
    5,348.08/7,379.94 = 2,989.90/x
  3. Step 3: Cross multiply
    5,348.08x = 7,379.94 × 2,989.90
  4. Step 4: Simplify right side
    5,348.08x = 22,065,282.61
  5. Step 5: Solve for x
    x = 22,065,282.61/5,348.08
  6. Step 6: Final answer
    x = 4,125.83

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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.