Home / 8,748.78-13,119.22-2,507.36

Finding the Fourth Proportional to 8,748.78, 13,119.22 and 2,507.36

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Solution

The fourth proportional to 8,748.78, 13,119.22 and 2,507.36 is: 3,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.78 : 13,119.22 = 2,507.36 : x
  2. Step 2: Convert to fraction form
    8,748.78/13,119.22 = 2,507.36/x
  3. Step 3: Cross multiply
    8,748.78x = 13,119.22 × 2,507.36
  4. Step 4: Simplify right side
    8,748.78x = 32,894,594.92
  5. Step 5: Solve for x
    x = 32,894,594.92/8,748.78
  6. Step 6: Final answer
    x = 3,759.91

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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.