Home / 6,253.28-8,629.56-3,458.78

Finding the Fourth Proportional to 6,253.28, 8,629.56 and 3,458.78

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Solution

The fourth proportional to 6,253.28, 8,629.56 and 3,458.78 is: 4,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.28 : 8,629.56 = 3,458.78 : x
  2. Step 2: Convert to fraction form
    6,253.28/8,629.56 = 3,458.78/x
  3. Step 3: Cross multiply
    6,253.28x = 8,629.56 × 3,458.78
  4. Step 4: Simplify right side
    6,253.28x = 29,847,749.54
  5. Step 5: Solve for x
    x = 29,847,749.54/6,253.28
  6. Step 6: Final answer
    x = 4,773.13

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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.