Home / 9,009.12-13,489.38-5,881.38

Finding the Fourth Proportional to 9,009.12, 13,489.38 and 5,881.38

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Solution

The fourth proportional to 9,009.12, 13,489.38 and 5,881.38 is: 8,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.12 : 13,489.38 = 5,881.38 : x
  2. Step 2: Convert to fraction form
    9,009.12/13,489.38 = 5,881.38/x
  3. Step 3: Cross multiply
    9,009.12x = 13,489.38 × 5,881.38
  4. Step 4: Simplify right side
    9,009.12x = 79,336,169.74
  5. Step 5: Solve for x
    x = 79,336,169.74/9,009.12
  6. Step 6: Final answer
    x = 8,806.21

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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.