Home / 7,989.27-11,973.48-4,287.17

Finding the Fourth Proportional to 7,989.27, 11,973.48 and 4,287.17

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Solution

The fourth proportional to 7,989.27, 11,973.48 and 4,287.17 is: 6,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.27 : 11,973.48 = 4,287.17 : x
  2. Step 2: Convert to fraction form
    7,989.27/11,973.48 = 4,287.17/x
  3. Step 3: Cross multiply
    7,989.27x = 11,973.48 × 4,287.17
  4. Step 4: Simplify right side
    7,989.27x = 51,332,304.06
  5. Step 5: Solve for x
    x = 51,332,304.06/7,989.27
  6. Step 6: Final answer
    x = 6,425.16

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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.