Home / 6,718.57-10,079.56-3,947.58

Finding the Fourth Proportional to 6,718.57, 10,079.56 and 3,947.58

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Solution

The fourth proportional to 6,718.57, 10,079.56 and 3,947.58 is: 5,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.57 : 10,079.56 = 3,947.58 : x
  2. Step 2: Convert to fraction form
    6,718.57/10,079.56 = 3,947.58/x
  3. Step 3: Cross multiply
    6,718.57x = 10,079.56 × 3,947.58
  4. Step 4: Simplify right side
    6,718.57x = 39,789,869.46
  5. Step 5: Solve for x
    x = 39,789,869.46/6,718.57
  6. Step 6: Final answer
    x = 5,922.37

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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.