Home / 6,989.10-10,489.68-3,704.52

Finding the Fourth Proportional to 6,989.10, 10,489.68 and 3,704.52

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Solution

The fourth proportional to 6,989.10, 10,489.68 and 3,704.52 is: 5,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.10 : 10,489.68 = 3,704.52 : x
  2. Step 2: Convert to fraction form
    6,989.10/10,489.68 = 3,704.52/x
  3. Step 3: Cross multiply
    6,989.10x = 10,489.68 × 3,704.52
  4. Step 4: Simplify right side
    6,989.10x = 38,859,229.35
  5. Step 5: Solve for x
    x = 38,859,229.35/6,989.10
  6. Step 6: Final answer
    x = 5,559.98

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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.