Home / 7,948.92-11,923.50-2,754.90

Finding the Fourth Proportional to 7,948.92, 11,923.50 and 2,754.90

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Solution

The fourth proportional to 7,948.92, 11,923.50 and 2,754.90 is: 4,132.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.92 : 11,923.50 = 2,754.90 : x
  2. Step 2: Convert to fraction form
    7,948.92/11,923.50 = 2,754.90/x
  3. Step 3: Cross multiply
    7,948.92x = 11,923.50 × 2,754.90
  4. Step 4: Simplify right side
    7,948.92x = 32,848,050.15
  5. Step 5: Solve for x
    x = 32,848,050.15/7,948.92
  6. Step 6: Final answer
    x = 4,132.39

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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.