Home / 7,947.96-11,922.58-2,753.72

Finding the Fourth Proportional to 7,947.96, 11,922.58 and 2,753.72

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Solution

The fourth proportional to 7,947.96, 11,922.58 and 2,753.72 is: 4,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.96 : 11,922.58 = 2,753.72 : x
  2. Step 2: Convert to fraction form
    7,947.96/11,922.58 = 2,753.72/x
  3. Step 3: Cross multiply
    7,947.96x = 11,922.58 × 2,753.72
  4. Step 4: Simplify right side
    7,947.96x = 32,831,447.00
  5. Step 5: Solve for x
    x = 32,831,447.00/7,947.96
  6. Step 6: Final answer
    x = 4,130.80

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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.