Home / 6,943.20-9,581.19-3,798.78

Finding the Fourth Proportional to 6,943.20, 9,581.19 and 3,798.78

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Solution

The fourth proportional to 6,943.20, 9,581.19 and 3,798.78 is: 5,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.20 : 9,581.19 = 3,798.78 : x
  2. Step 2: Convert to fraction form
    6,943.20/9,581.19 = 3,798.78/x
  3. Step 3: Cross multiply
    6,943.20x = 9,581.19 × 3,798.78
  4. Step 4: Simplify right side
    6,943.20x = 36,396,832.95
  5. Step 5: Solve for x
    x = 36,396,832.95/6,943.20
  6. Step 6: Final answer
    x = 5,242.08

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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.