Home / 7,553.74-11,326.72-3,390.18

Finding the Fourth Proportional to 7,553.74, 11,326.72 and 3,390.18

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Solution

The fourth proportional to 7,553.74, 11,326.72 and 3,390.18 is: 5,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.74 : 11,326.72 = 3,390.18 : x
  2. Step 2: Convert to fraction form
    7,553.74/11,326.72 = 3,390.18/x
  3. Step 3: Cross multiply
    7,553.74x = 11,326.72 × 3,390.18
  4. Step 4: Simplify right side
    7,553.74x = 38,399,619.61
  5. Step 5: Solve for x
    x = 38,399,619.61/7,553.74
  6. Step 6: Final answer
    x = 5,083.52

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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.