Home / 6,141.78-9,213.35-1,759.95

Finding the Fourth Proportional to 6,141.78, 9,213.35 and 1,759.95

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Solution

The fourth proportional to 6,141.78, 9,213.35 and 1,759.95 is: 2,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.78 : 9,213.35 = 1,759.95 : x
  2. Step 2: Convert to fraction form
    6,141.78/9,213.35 = 1,759.95/x
  3. Step 3: Cross multiply
    6,141.78x = 9,213.35 × 1,759.95
  4. Step 4: Simplify right side
    6,141.78x = 16,215,026.53
  5. Step 5: Solve for x
    x = 16,215,026.53/6,141.78
  6. Step 6: Final answer
    x = 2,640.12

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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.