Home / 6,615.47-9,128.66-3,744.52

Finding the Fourth Proportional to 6,615.47, 9,128.66 and 3,744.52

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Solution

The fourth proportional to 6,615.47, 9,128.66 and 3,744.52 is: 5,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.47 : 9,128.66 = 3,744.52 : x
  2. Step 2: Convert to fraction form
    6,615.47/9,128.66 = 3,744.52/x
  3. Step 3: Cross multiply
    6,615.47x = 9,128.66 × 3,744.52
  4. Step 4: Simplify right side
    6,615.47x = 34,182,449.94
  5. Step 5: Solve for x
    x = 34,182,449.94/6,615.47
  6. Step 6: Final answer
    x = 5,167.05

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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.