Home / 4,229.60-6,342.56-3,256.40

Finding the Fourth Proportional to 4,229.60, 6,342.56 and 3,256.40

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Solution

The fourth proportional to 4,229.60, 6,342.56 and 3,256.40 is: 4,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.60 : 6,342.56 = 3,256.40 : x
  2. Step 2: Convert to fraction form
    4,229.60/6,342.56 = 3,256.40/x
  3. Step 3: Cross multiply
    4,229.60x = 6,342.56 × 3,256.40
  4. Step 4: Simplify right side
    4,229.60x = 20,653,912.38
  5. Step 5: Solve for x
    x = 20,653,912.38/4,229.60
  6. Step 6: Final answer
    x = 4,883.18

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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.