Home / 5,615.31-7,748.51-3,257.00

Finding the Fourth Proportional to 5,615.31, 7,748.51 and 3,257.00

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Solution

The fourth proportional to 5,615.31, 7,748.51 and 3,257.00 is: 4,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.31 : 7,748.51 = 3,257.00 : x
  2. Step 2: Convert to fraction form
    5,615.31/7,748.51 = 3,257.00/x
  3. Step 3: Cross multiply
    5,615.31x = 7,748.51 × 3,257.00
  4. Step 4: Simplify right side
    5,615.31x = 25,236,842.04
  5. Step 5: Solve for x
    x = 25,236,842.04/5,615.31
  6. Step 6: Final answer
    x = 4,494.29

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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.