Home / 5,452.18-7,516.45-3,680.98

Finding the Fourth Proportional to 5,452.18, 7,516.45 and 3,680.98

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Solution

The fourth proportional to 5,452.18, 7,516.45 and 3,680.98 is: 5,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.18 : 7,516.45 = 3,680.98 : x
  2. Step 2: Convert to fraction form
    5,452.18/7,516.45 = 3,680.98/x
  3. Step 3: Cross multiply
    5,452.18x = 7,516.45 × 3,680.98
  4. Step 4: Simplify right side
    5,452.18x = 27,667,902.12
  5. Step 5: Solve for x
    x = 27,667,902.12/5,452.18
  6. Step 6: Final answer
    x = 5,074.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.