Home / 4,942.71-6,818.88-3,240.75

Finding the Fourth Proportional to 4,942.71, 6,818.88 and 3,240.75

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Solution

The fourth proportional to 4,942.71, 6,818.88 and 3,240.75 is: 4,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.71 : 6,818.88 = 3,240.75 : x
  2. Step 2: Convert to fraction form
    4,942.71/6,818.88 = 3,240.75/x
  3. Step 3: Cross multiply
    4,942.71x = 6,818.88 × 3,240.75
  4. Step 4: Simplify right side
    4,942.71x = 22,098,285.36
  5. Step 5: Solve for x
    x = 22,098,285.36/4,942.71
  6. Step 6: Final answer
    x = 4,470.88

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Double scale
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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.