Home / 7,368.80-11,046.66-2,687.72

Finding the Fourth Proportional to 7,368.80, 11,046.66 and 2,687.72

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Solution

The fourth proportional to 7,368.80, 11,046.66 and 2,687.72 is: 4,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.80 : 11,046.66 = 2,687.72 : x
  2. Step 2: Convert to fraction form
    7,368.80/11,046.66 = 2,687.72/x
  3. Step 3: Cross multiply
    7,368.80x = 11,046.66 × 2,687.72
  4. Step 4: Simplify right side
    7,368.80x = 29,690,329.02
  5. Step 5: Solve for x
    x = 29,690,329.02/7,368.80
  6. Step 6: Final answer
    x = 4,029.19

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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.