Home / 6,774.24-9,349.56-3,979.20

Finding the Fourth Proportional to 6,774.24, 9,349.56 and 3,979.20

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Solution

The fourth proportional to 6,774.24, 9,349.56 and 3,979.20 is: 5,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.24 : 9,349.56 = 3,979.20 : x
  2. Step 2: Convert to fraction form
    6,774.24/9,349.56 = 3,979.20/x
  3. Step 3: Cross multiply
    6,774.24x = 9,349.56 × 3,979.20
  4. Step 4: Simplify right side
    6,774.24x = 37,203,769.15
  5. Step 5: Solve for x
    x = 37,203,769.15/6,774.24
  6. Step 6: Final answer
    x = 5,491.95

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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.