Home / 7,119.42-10,680.57-2,505.66

Finding the Fourth Proportional to 7,119.42, 10,680.57 and 2,505.66

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Solution

The fourth proportional to 7,119.42, 10,680.57 and 2,505.66 is: 3,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.42 : 10,680.57 = 2,505.66 : x
  2. Step 2: Convert to fraction form
    7,119.42/10,680.57 = 2,505.66/x
  3. Step 3: Cross multiply
    7,119.42x = 10,680.57 × 2,505.66
  4. Step 4: Simplify right side
    7,119.42x = 26,761,877.03
  5. Step 5: Solve for x
    x = 26,761,877.03/7,119.42
  6. Step 6: Final answer
    x = 3,759.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.