Home / 4,452.90-6,147.60-3,960.78

Finding the Fourth Proportional to 4,452.90, 6,147.60 and 3,960.78

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Solution

The fourth proportional to 4,452.90, 6,147.60 and 3,960.78 is: 5,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.90 : 6,147.60 = 3,960.78 : x
  2. Step 2: Convert to fraction form
    4,452.90/6,147.60 = 3,960.78/x
  3. Step 3: Cross multiply
    4,452.90x = 6,147.60 × 3,960.78
  4. Step 4: Simplify right side
    4,452.90x = 24,349,291.13
  5. Step 5: Solve for x
    x = 24,349,291.13/4,452.90
  6. Step 6: Final answer
    x = 5,468.19

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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.