Home / 6,688.18-10,034.30-3,180.88

Finding the Fourth Proportional to 6,688.18, 10,034.30 and 3,180.88

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Solution

The fourth proportional to 6,688.18, 10,034.30 and 3,180.88 is: 4,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.18 : 10,034.30 = 3,180.88 : x
  2. Step 2: Convert to fraction form
    6,688.18/10,034.30 = 3,180.88/x
  3. Step 3: Cross multiply
    6,688.18x = 10,034.30 × 3,180.88
  4. Step 4: Simplify right side
    6,688.18x = 31,917,904.18
  5. Step 5: Solve for x
    x = 31,917,904.18/6,688.18
  6. Step 6: Final answer
    x = 4,772.29

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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.