Home / 6,822.76-10,239-2,928.28

Finding the Fourth Proportional to 6,822.76, 10,239 and 2,928.28

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Solution

The fourth proportional to 6,822.76, 10,239 and 2,928.28 is: 4,394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.76 : 10,239 = 2,928.28 : x
  2. Step 2: Convert to fraction form
    6,822.76/10,239 = 2,928.28/x
  3. Step 3: Cross multiply
    6,822.76x = 10,239 × 2,928.28
  4. Step 4: Simplify right side
    6,822.76x = 29,982,658.92
  5. Step 5: Solve for x
    x = 29,982,658.92/6,822.76
  6. Step 6: Final answer
    x = 4,394.51

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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.