Home / 7,345.13-11,016.28-2,080.10

Finding the Fourth Proportional to 7,345.13, 11,016.28 and 2,080.10

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Solution

The fourth proportional to 7,345.13, 11,016.28 and 2,080.10 is: 3,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.13 : 11,016.28 = 2,080.10 : x
  2. Step 2: Convert to fraction form
    7,345.13/11,016.28 = 2,080.10/x
  3. Step 3: Cross multiply
    7,345.13x = 11,016.28 × 2,080.10
  4. Step 4: Simplify right side
    7,345.13x = 22,914,964.03
  5. Step 5: Solve for x
    x = 22,914,964.03/7,345.13
  6. Step 6: Final answer
    x = 3,119.75

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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.