Home / 8,747.87-13,121.46-2,174.11

Finding the Fourth Proportional to 8,747.87, 13,121.46 and 2,174.11

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Solution

The fourth proportional to 8,747.87, 13,121.46 and 2,174.11 is: 3,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.87 : 13,121.46 = 2,174.11 : x
  2. Step 2: Convert to fraction form
    8,747.87/13,121.46 = 2,174.11/x
  3. Step 3: Cross multiply
    8,747.87x = 13,121.46 × 2,174.11
  4. Step 4: Simplify right side
    8,747.87x = 28,527,464.60
  5. Step 5: Solve for x
    x = 28,527,464.60/8,747.87
  6. Step 6: Final answer
    x = 3,261.08

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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.