Home / 7,180.14-9,909.70-4,195.92

Finding the Fourth Proportional to 7,180.14, 9,909.70 and 4,195.92

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Solution

The fourth proportional to 7,180.14, 9,909.70 and 4,195.92 is: 5,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.14 : 9,909.70 = 4,195.92 : x
  2. Step 2: Convert to fraction form
    7,180.14/9,909.70 = 4,195.92/x
  3. Step 3: Cross multiply
    7,180.14x = 9,909.70 × 4,195.92
  4. Step 4: Simplify right side
    7,180.14x = 41,580,308.42
  5. Step 5: Solve for x
    x = 41,580,308.42/7,180.14
  6. Step 6: Final answer
    x = 5,791.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.