Home / 6,915.38-10,371.84-2,755.04

Finding the Fourth Proportional to 6,915.38, 10,371.84 and 2,755.04

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Solution

The fourth proportional to 6,915.38, 10,371.84 and 2,755.04 is: 4,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.38 : 10,371.84 = 2,755.04 : x
  2. Step 2: Convert to fraction form
    6,915.38/10,371.84 = 2,755.04/x
  3. Step 3: Cross multiply
    6,915.38x = 10,371.84 × 2,755.04
  4. Step 4: Simplify right side
    6,915.38x = 28,574,834.07
  5. Step 5: Solve for x
    x = 28,574,834.07/6,915.38
  6. Step 6: Final answer
    x = 4,132.07

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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.