Home / 7,319.04-10,979.12-2,388.56

Finding the Fourth Proportional to 7,319.04, 10,979.12 and 2,388.56

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Solution

The fourth proportional to 7,319.04, 10,979.12 and 2,388.56 is: 3,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.04 : 10,979.12 = 2,388.56 : x
  2. Step 2: Convert to fraction form
    7,319.04/10,979.12 = 2,388.56/x
  3. Step 3: Cross multiply
    7,319.04x = 10,979.12 × 2,388.56
  4. Step 4: Simplify right side
    7,319.04x = 26,224,286.87
  5. Step 5: Solve for x
    x = 26,224,286.87/7,319.04
  6. Step 6: Final answer
    x = 3,583.02

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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.