Home / 7,508.62-11,259.71-2,578.75

Finding the Fourth Proportional to 7,508.62, 11,259.71 and 2,578.75

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Solution

The fourth proportional to 7,508.62, 11,259.71 and 2,578.75 is: 3,867.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.62 : 11,259.71 = 2,578.75 : x
  2. Step 2: Convert to fraction form
    7,508.62/11,259.71 = 2,578.75/x
  3. Step 3: Cross multiply
    7,508.62x = 11,259.71 × 2,578.75
  4. Step 4: Simplify right side
    7,508.62x = 29,035,977.16
  5. Step 5: Solve for x
    x = 29,035,977.16/7,508.62
  6. Step 6: Final answer
    x = 3,867.02

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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.