Home / 9,189-13,787.40-2,949.52

Finding the Fourth Proportional to 9,189, 13,787.40 and 2,949.52

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Solution

The fourth proportional to 9,189, 13,787.40 and 2,949.52 is: 4,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189 : 13,787.40 = 2,949.52 : x
  2. Step 2: Convert to fraction form
    9,189/13,787.40 = 2,949.52/x
  3. Step 3: Cross multiply
    9,189x = 13,787.40 × 2,949.52
  4. Step 4: Simplify right side
    9,189x = 40,666,212.05
  5. Step 5: Solve for x
    x = 40,666,212.05/9,189
  6. Step 6: Final answer
    x = 4,425.53

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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.