Home / 5,537.60-8,306.40-5,318.90

Finding the Fourth Proportional to 5,537.60, 8,306.40 and 5,318.90

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Solution

The fourth proportional to 5,537.60, 8,306.40 and 5,318.90 is: 7,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.60 : 8,306.40 = 5,318.90 : x
  2. Step 2: Convert to fraction form
    5,537.60/8,306.40 = 5,318.90/x
  3. Step 3: Cross multiply
    5,537.60x = 8,306.40 × 5,318.90
  4. Step 4: Simplify right side
    5,537.60x = 44,180,910.96
  5. Step 5: Solve for x
    x = 44,180,910.96/5,537.60
  6. Step 6: Final answer
    x = 7,978.35

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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.