Home / 7,279.43-10,919.87-2,895.87

Finding the Fourth Proportional to 7,279.43, 10,919.87 and 2,895.87

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Solution

The fourth proportional to 7,279.43, 10,919.87 and 2,895.87 is: 4,344.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.43 : 10,919.87 = 2,895.87 : x
  2. Step 2: Convert to fraction form
    7,279.43/10,919.87 = 2,895.87/x
  3. Step 3: Cross multiply
    7,279.43x = 10,919.87 × 2,895.87
  4. Step 4: Simplify right side
    7,279.43x = 31,622,531.18
  5. Step 5: Solve for x
    x = 31,622,531.18/7,279.43
  6. Step 6: Final answer
    x = 4,344.09

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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.