Home / 7,553.46-11,326.31-3,389.90

Finding the Fourth Proportional to 7,553.46, 11,326.31 and 3,389.90

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Solution

The fourth proportional to 7,553.46, 11,326.31 and 3,389.90 is: 5,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.46 : 11,326.31 = 3,389.90 : x
  2. Step 2: Convert to fraction form
    7,553.46/11,326.31 = 3,389.90/x
  3. Step 3: Cross multiply
    7,553.46x = 11,326.31 × 3,389.90
  4. Step 4: Simplify right side
    7,553.46x = 38,395,069.64
  5. Step 5: Solve for x
    x = 38,395,069.64/7,553.46
  6. Step 6: Final answer
    x = 5,083.11

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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.