Home / 6,275.28-9,414.18-2,115.12

Finding the Fourth Proportional to 6,275.28, 9,414.18 and 2,115.12

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Solution

The fourth proportional to 6,275.28, 9,414.18 and 2,115.12 is: 3,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.28 : 9,414.18 = 2,115.12 : x
  2. Step 2: Convert to fraction form
    6,275.28/9,414.18 = 2,115.12/x
  3. Step 3: Cross multiply
    6,275.28x = 9,414.18 × 2,115.12
  4. Step 4: Simplify right side
    6,275.28x = 19,912,120.40
  5. Step 5: Solve for x
    x = 19,912,120.40/6,275.28
  6. Step 6: Final answer
    x = 3,173.10

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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.