Home / 5,229.36-7,837.97-2,890.79

Finding the Fourth Proportional to 5,229.36, 7,837.97 and 2,890.79

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Solution

The fourth proportional to 5,229.36, 7,837.97 and 2,890.79 is: 4,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.36 : 7,837.97 = 2,890.79 : x
  2. Step 2: Convert to fraction form
    5,229.36/7,837.97 = 2,890.79/x
  3. Step 3: Cross multiply
    5,229.36x = 7,837.97 × 2,890.79
  4. Step 4: Simplify right side
    5,229.36x = 22,657,901.04
  5. Step 5: Solve for x
    x = 22,657,901.04/5,229.36
  6. Step 6: Final answer
    x = 4,332.82

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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.