Home / 6,872.04-10,308.67-2,191.86

Finding the Fourth Proportional to 6,872.04, 10,308.67 and 2,191.86

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Solution

The fourth proportional to 6,872.04, 10,308.67 and 2,191.86 is: 3,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.04 : 10,308.67 = 2,191.86 : x
  2. Step 2: Convert to fraction form
    6,872.04/10,308.67 = 2,191.86/x
  3. Step 3: Cross multiply
    6,872.04x = 10,308.67 × 2,191.86
  4. Step 4: Simplify right side
    6,872.04x = 22,595,155.95
  5. Step 5: Solve for x
    x = 22,595,155.95/6,872.04
  6. Step 6: Final answer
    x = 3,287.98

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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.