Home / 9,319.71-13,979.72-2,746.56

Finding the Fourth Proportional to 9,319.71, 13,979.72 and 2,746.56

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Solution

The fourth proportional to 9,319.71, 13,979.72 and 2,746.56 is: 4,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.71 : 13,979.72 = 2,746.56 : x
  2. Step 2: Convert to fraction form
    9,319.71/13,979.72 = 2,746.56/x
  3. Step 3: Cross multiply
    9,319.71x = 13,979.72 × 2,746.56
  4. Step 4: Simplify right side
    9,319.71x = 38,396,126.03
  5. Step 5: Solve for x
    x = 38,396,126.03/9,319.71
  6. Step 6: Final answer
    x = 4,119.88

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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.