Home / 6,823.68-10,230-2,930.82

Finding the Fourth Proportional to 6,823.68, 10,230 and 2,930.82

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Solution

The fourth proportional to 6,823.68, 10,230 and 2,930.82 is: 4,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.68 : 10,230 = 2,930.82 : x
  2. Step 2: Convert to fraction form
    6,823.68/10,230 = 2,930.82/x
  3. Step 3: Cross multiply
    6,823.68x = 10,230 × 2,930.82
  4. Step 4: Simplify right side
    6,823.68x = 29,982,288.60
  5. Step 5: Solve for x
    x = 29,982,288.60/6,823.68
  6. Step 6: Final answer
    x = 4,393.86

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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.