Home / 5,253.13-7,879.07-1,357.39

Finding the Fourth Proportional to 5,253.13, 7,879.07 and 1,357.39

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Solution

The fourth proportional to 5,253.13, 7,879.07 and 1,357.39 is: 2,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.13 : 7,879.07 = 1,357.39 : x
  2. Step 2: Convert to fraction form
    5,253.13/7,879.07 = 1,357.39/x
  3. Step 3: Cross multiply
    5,253.13x = 7,879.07 × 1,357.39
  4. Step 4: Simplify right side
    5,253.13x = 10,694,964.04
  5. Step 5: Solve for x
    x = 10,694,964.04/5,253.13
  6. Step 6: Final answer
    x = 2,035.92

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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.