Home / 6,261.28-9,398.34-3,143.56

Finding the Fourth Proportional to 6,261.28, 9,398.34 and 3,143.56

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Solution

The fourth proportional to 6,261.28, 9,398.34 and 3,143.56 is: 4,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.28 : 9,398.34 = 3,143.56 : x
  2. Step 2: Convert to fraction form
    6,261.28/9,398.34 = 3,143.56/x
  3. Step 3: Cross multiply
    6,261.28x = 9,398.34 × 3,143.56
  4. Step 4: Simplify right side
    6,261.28x = 29,544,245.69
  5. Step 5: Solve for x
    x = 29,544,245.69/6,261.28
  6. Step 6: Final answer
    x = 4,718.56

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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.