Home / 6,765.12-10,143.36-3,844.80

Finding the Fourth Proportional to 6,765.12, 10,143.36 and 3,844.80

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Solution

The fourth proportional to 6,765.12, 10,143.36 and 3,844.80 is: 5,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.12 : 10,143.36 = 3,844.80 : x
  2. Step 2: Convert to fraction form
    6,765.12/10,143.36 = 3,844.80/x
  3. Step 3: Cross multiply
    6,765.12x = 10,143.36 × 3,844.80
  4. Step 4: Simplify right side
    6,765.12x = 38,999,190.53
  5. Step 5: Solve for x
    x = 38,999,190.53/6,765.12
  6. Step 6: Final answer
    x = 5,764.74

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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.