Home / 6,901.38-10,354.20-4,131.18

Finding the Fourth Proportional to 6,901.38, 10,354.20 and 4,131.18

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Solution

The fourth proportional to 6,901.38, 10,354.20 and 4,131.18 is: 6,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.38 : 10,354.20 = 4,131.18 : x
  2. Step 2: Convert to fraction form
    6,901.38/10,354.20 = 4,131.18/x
  3. Step 3: Cross multiply
    6,901.38x = 10,354.20 × 4,131.18
  4. Step 4: Simplify right side
    6,901.38x = 42,775,063.96
  5. Step 5: Solve for x
    x = 42,775,063.96/6,901.38
  6. Step 6: Final answer
    x = 6,198.05

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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.