Home / 7,345.79-11,016.45-2,080.38

Finding the Fourth Proportional to 7,345.79, 11,016.45 and 2,080.38

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Solution

The fourth proportional to 7,345.79, 11,016.45 and 2,080.38 is: 3,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.79 : 11,016.45 = 2,080.38 : x
  2. Step 2: Convert to fraction form
    7,345.79/11,016.45 = 2,080.38/x
  3. Step 3: Cross multiply
    7,345.79x = 11,016.45 × 2,080.38
  4. Step 4: Simplify right side
    7,345.79x = 22,918,402.25
  5. Step 5: Solve for x
    x = 22,918,402.25/7,345.79
  6. Step 6: Final answer
    x = 3,119.94

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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.