Home / 9,209.20-13,802.79-5,305.54

Finding the Fourth Proportional to 9,209.20, 13,802.79 and 5,305.54

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Solution

The fourth proportional to 9,209.20, 13,802.79 and 5,305.54 is: 7,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.20 : 13,802.79 = 5,305.54 : x
  2. Step 2: Convert to fraction form
    9,209.20/13,802.79 = 5,305.54/x
  3. Step 3: Cross multiply
    9,209.20x = 13,802.79 × 5,305.54
  4. Step 4: Simplify right side
    9,209.20x = 73,231,254.46
  5. Step 5: Solve for x
    x = 73,231,254.46/9,209.20
  6. Step 6: Final answer
    x = 7,951.97

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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.