Home / 7,083.66-10,626.76-2,921.36

Finding the Fourth Proportional to 7,083.66, 10,626.76 and 2,921.36

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Solution

The fourth proportional to 7,083.66, 10,626.76 and 2,921.36 is: 4,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.66 : 10,626.76 = 2,921.36 : x
  2. Step 2: Convert to fraction form
    7,083.66/10,626.76 = 2,921.36/x
  3. Step 3: Cross multiply
    7,083.66x = 10,626.76 × 2,921.36
  4. Step 4: Simplify right side
    7,083.66x = 31,044,591.59
  5. Step 5: Solve for x
    x = 31,044,591.59/7,083.66
  6. Step 6: Final answer
    x = 4,382.56

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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.