Home / 6,660.20-9,985.44-2,759.24

Finding the Fourth Proportional to 6,660.20, 9,985.44 and 2,759.24

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Solution

The fourth proportional to 6,660.20, 9,985.44 and 2,759.24 is: 4,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.20 : 9,985.44 = 2,759.24 : x
  2. Step 2: Convert to fraction form
    6,660.20/9,985.44 = 2,759.24/x
  3. Step 3: Cross multiply
    6,660.20x = 9,985.44 × 2,759.24
  4. Step 4: Simplify right side
    6,660.20x = 27,552,225.47
  5. Step 5: Solve for x
    x = 27,552,225.47/6,660.20
  6. Step 6: Final answer
    x = 4,136.85

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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.