Home / 9,319.87-13,979.29-2,746.11

Finding the Fourth Proportional to 9,319.87, 13,979.29 and 2,746.11

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Solution

The fourth proportional to 9,319.87, 13,979.29 and 2,746.11 is: 4,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.87 : 13,979.29 = 2,746.11 : x
  2. Step 2: Convert to fraction form
    9,319.87/13,979.29 = 2,746.11/x
  3. Step 3: Cross multiply
    9,319.87x = 13,979.29 × 2,746.11
  4. Step 4: Simplify right side
    9,319.87x = 38,388,668.06
  5. Step 5: Solve for x
    x = 38,388,668.06/9,319.87
  6. Step 6: Final answer
    x = 4,119.01

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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.