Home / 7,944.84-11,917.35-2,749.50

Finding the Fourth Proportional to 7,944.84, 11,917.35 and 2,749.50

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Solution

The fourth proportional to 7,944.84, 11,917.35 and 2,749.50 is: 4,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.84 : 11,917.35 = 2,749.50 : x
  2. Step 2: Convert to fraction form
    7,944.84/11,917.35 = 2,749.50/x
  3. Step 3: Cross multiply
    7,944.84x = 11,917.35 × 2,749.50
  4. Step 4: Simplify right side
    7,944.84x = 32,766,753.83
  5. Step 5: Solve for x
    x = 32,766,753.83/7,944.84
  6. Step 6: Final answer
    x = 4,124.28

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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.