Home / 6,660.88-9,985.56-2,554

Finding the Fourth Proportional to 6,660.88, 9,985.56 and 2,554

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Solution

The fourth proportional to 6,660.88, 9,985.56 and 2,554 is: 3,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.88 : 9,985.56 = 2,554 : x
  2. Step 2: Convert to fraction form
    6,660.88/9,985.56 = 2,554/x
  3. Step 3: Cross multiply
    6,660.88x = 9,985.56 × 2,554
  4. Step 4: Simplify right side
    6,660.88x = 25,503,120.24
  5. Step 5: Solve for x
    x = 25,503,120.24/6,660.88
  6. Step 6: Final answer
    x = 3,828.79

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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.