Home / 6,890.60-10,332.06-2,508.20

Finding the Fourth Proportional to 6,890.60, 10,332.06 and 2,508.20

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Solution

The fourth proportional to 6,890.60, 10,332.06 and 2,508.20 is: 3,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.60 : 10,332.06 = 2,508.20 : x
  2. Step 2: Convert to fraction form
    6,890.60/10,332.06 = 2,508.20/x
  3. Step 3: Cross multiply
    6,890.60x = 10,332.06 × 2,508.20
  4. Step 4: Simplify right side
    6,890.60x = 25,914,872.89
  5. Step 5: Solve for x
    x = 25,914,872.89/6,890.60
  6. Step 6: Final answer
    x = 3,760.90

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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.