Home / 6,172.38-9,250.29-3,979.98

Finding the Fourth Proportional to 6,172.38, 9,250.29 and 3,979.98

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Solution

The fourth proportional to 6,172.38, 9,250.29 and 3,979.98 is: 5,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.38 : 9,250.29 = 3,979.98 : x
  2. Step 2: Convert to fraction form
    6,172.38/9,250.29 = 3,979.98/x
  3. Step 3: Cross multiply
    6,172.38x = 9,250.29 × 3,979.98
  4. Step 4: Simplify right side
    6,172.38x = 36,815,969.19
  5. Step 5: Solve for x
    x = 36,815,969.19/6,172.38
  6. Step 6: Final answer
    x = 5,964.63

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1.5x scale

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.