Home / 9,108.93-13,663.38-2,869.47

Finding the Fourth Proportional to 9,108.93, 13,663.38 and 2,869.47

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Solution

The fourth proportional to 9,108.93, 13,663.38 and 2,869.47 is: 4,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.93 : 13,663.38 = 2,869.47 : x
  2. Step 2: Convert to fraction form
    9,108.93/13,663.38 = 2,869.47/x
  3. Step 3: Cross multiply
    9,108.93x = 13,663.38 × 2,869.47
  4. Step 4: Simplify right side
    9,108.93x = 39,206,659.01
  5. Step 5: Solve for x
    x = 39,206,659.01/9,108.93
  6. Step 6: Final answer
    x = 4,304.20

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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.