Home / 6,647.42-9,972.85-2,487.75

Finding the Fourth Proportional to 6,647.42, 9,972.85 and 2,487.75

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Solution

The fourth proportional to 6,647.42, 9,972.85 and 2,487.75 is: 3,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.42 : 9,972.85 = 2,487.75 : x
  2. Step 2: Convert to fraction form
    6,647.42/9,972.85 = 2,487.75/x
  3. Step 3: Cross multiply
    6,647.42x = 9,972.85 × 2,487.75
  4. Step 4: Simplify right side
    6,647.42x = 24,809,957.59
  5. Step 5: Solve for x
    x = 24,809,957.59/6,647.42
  6. Step 6: Final answer
    x = 3,732.27

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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.