Home / 6,171.20-9,261.56-2,475.78

Finding the Fourth Proportional to 6,171.20, 9,261.56 and 2,475.78

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Solution

The fourth proportional to 6,171.20, 9,261.56 and 2,475.78 is: 3,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.20 : 9,261.56 = 2,475.78 : x
  2. Step 2: Convert to fraction form
    6,171.20/9,261.56 = 2,475.78/x
  3. Step 3: Cross multiply
    6,171.20x = 9,261.56 × 2,475.78
  4. Step 4: Simplify right side
    6,171.20x = 22,929,585.02
  5. Step 5: Solve for x
    x = 22,929,585.02/6,171.20
  6. Step 6: Final answer
    x = 3,715.58

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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.