Home / 5,257.28-7,888.68-2,335.88

Finding the Fourth Proportional to 5,257.28, 7,888.68 and 2,335.88

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Solution

The fourth proportional to 5,257.28, 7,888.68 and 2,335.88 is: 3,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.28 : 7,888.68 = 2,335.88 : x
  2. Step 2: Convert to fraction form
    5,257.28/7,888.68 = 2,335.88/x
  3. Step 3: Cross multiply
    5,257.28x = 7,888.68 × 2,335.88
  4. Step 4: Simplify right side
    5,257.28x = 18,426,970.40
  5. Step 5: Solve for x
    x = 18,426,970.40/5,257.28
  6. Step 6: Final answer
    x = 3,505.04

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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.