Home / 5,729.91-7,907.14-3,177.66

Finding the Fourth Proportional to 5,729.91, 7,907.14 and 3,177.66

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Solution

The fourth proportional to 5,729.91, 7,907.14 and 3,177.66 is: 4,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.91 : 7,907.14 = 3,177.66 : x
  2. Step 2: Convert to fraction form
    5,729.91/7,907.14 = 3,177.66/x
  3. Step 3: Cross multiply
    5,729.91x = 7,907.14 × 3,177.66
  4. Step 4: Simplify right side
    5,729.91x = 25,126,212.42
  5. Step 5: Solve for x
    x = 25,126,212.42/5,729.91
  6. Step 6: Final answer
    x = 4,385.10

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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.