Home / 7,748.80-11,622.06-2,554

Finding the Fourth Proportional to 7,748.80, 11,622.06 and 2,554

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Solution

The fourth proportional to 7,748.80, 11,622.06 and 2,554 is: 3,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.80 : 11,622.06 = 2,554 : x
  2. Step 2: Convert to fraction form
    7,748.80/11,622.06 = 2,554/x
  3. Step 3: Cross multiply
    7,748.80x = 11,622.06 × 2,554
  4. Step 4: Simplify right side
    7,748.80x = 29,682,741.24
  5. Step 5: Solve for x
    x = 29,682,741.24/7,748.80
  6. Step 6: Final answer
    x = 3,830.62

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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.