Home / 7,704.92-11,559.32-2,158.28

Finding the Fourth Proportional to 7,704.92, 11,559.32 and 2,158.28

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Solution

The fourth proportional to 7,704.92, 11,559.32 and 2,158.28 is: 3,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.92 : 11,559.32 = 2,158.28 : x
  2. Step 2: Convert to fraction form
    7,704.92/11,559.32 = 2,158.28/x
  3. Step 3: Cross multiply
    7,704.92x = 11,559.32 × 2,158.28
  4. Step 4: Simplify right side
    7,704.92x = 24,948,249.17
  5. Step 5: Solve for x
    x = 24,948,249.17/7,704.92
  6. Step 6: Final answer
    x = 3,237.96

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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.