Home / 6,427.12-9,640.18-2,531.56

Finding the Fourth Proportional to 6,427.12, 9,640.18 and 2,531.56

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Solution

The fourth proportional to 6,427.12, 9,640.18 and 2,531.56 is: 3,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.12 : 9,640.18 = 2,531.56 : x
  2. Step 2: Convert to fraction form
    6,427.12/9,640.18 = 2,531.56/x
  3. Step 3: Cross multiply
    6,427.12x = 9,640.18 × 2,531.56
  4. Step 4: Simplify right side
    6,427.12x = 24,404,694.08
  5. Step 5: Solve for x
    x = 24,404,694.08/6,427.12
  6. Step 6: Final answer
    x = 3,797.14

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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.