Home / 6,759.64-10,139.48-2,079.62

Finding the Fourth Proportional to 6,759.64, 10,139.48 and 2,079.62

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Solution

The fourth proportional to 6,759.64, 10,139.48 and 2,079.62 is: 3,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.64 : 10,139.48 = 2,079.62 : x
  2. Step 2: Convert to fraction form
    6,759.64/10,139.48 = 2,079.62/x
  3. Step 3: Cross multiply
    6,759.64x = 10,139.48 × 2,079.62
  4. Step 4: Simplify right side
    6,759.64x = 21,086,237.61
  5. Step 5: Solve for x
    x = 21,086,237.61/6,759.64
  6. Step 6: Final answer
    x = 3,119.43

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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.