Home / 6,516.28-9,790.01-4,180.88

Finding the Fourth Proportional to 6,516.28, 9,790.01 and 4,180.88

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Solution

The fourth proportional to 6,516.28, 9,790.01 and 4,180.88 is: 6,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.28 : 9,790.01 = 4,180.88 : x
  2. Step 2: Convert to fraction form
    6,516.28/9,790.01 = 4,180.88/x
  3. Step 3: Cross multiply
    6,516.28x = 9,790.01 × 4,180.88
  4. Step 4: Simplify right side
    6,516.28x = 40,930,793.27
  5. Step 5: Solve for x
    x = 40,930,793.27/6,516.28
  6. Step 6: Final answer
    x = 6,281.31

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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.