Home / 5,279.28-7,914.05-2,507.25

Finding the Fourth Proportional to 5,279.28, 7,914.05 and 2,507.25

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Solution

The fourth proportional to 5,279.28, 7,914.05 and 2,507.25 is: 3,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.28 : 7,914.05 = 2,507.25 : x
  2. Step 2: Convert to fraction form
    5,279.28/7,914.05 = 2,507.25/x
  3. Step 3: Cross multiply
    5,279.28x = 7,914.05 × 2,507.25
  4. Step 4: Simplify right side
    5,279.28x = 19,842,501.86
  5. Step 5: Solve for x
    x = 19,842,501.86/5,279.28
  6. Step 6: Final answer
    x = 3,758.56

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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.