Home / 6,447.30-8,897.85-3,793.38

Finding the Fourth Proportional to 6,447.30, 8,897.85 and 3,793.38

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Solution

The fourth proportional to 6,447.30, 8,897.85 and 3,793.38 is: 5,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.30 : 8,897.85 = 3,793.38 : x
  2. Step 2: Convert to fraction form
    6,447.30/8,897.85 = 3,793.38/x
  3. Step 3: Cross multiply
    6,447.30x = 8,897.85 × 3,793.38
  4. Step 4: Simplify right side
    6,447.30x = 33,752,926.23
  5. Step 5: Solve for x
    x = 33,752,926.23/6,447.30
  6. Step 6: Final answer
    x = 5,235.20

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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.