Home / 5,260.13-7,891.79-3,154.08

Finding the Fourth Proportional to 5,260.13, 7,891.79 and 3,154.08

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Solution

The fourth proportional to 5,260.13, 7,891.79 and 3,154.08 is: 4,732.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.13 : 7,891.79 = 3,154.08 : x
  2. Step 2: Convert to fraction form
    5,260.13/7,891.79 = 3,154.08/x
  3. Step 3: Cross multiply
    5,260.13x = 7,891.79 × 3,154.08
  4. Step 4: Simplify right side
    5,260.13x = 24,891,321.23
  5. Step 5: Solve for x
    x = 24,891,321.23/5,260.13
  6. Step 6: Final answer
    x = 4,732.08

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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.