Home / 7,947.84-11,923.11-2,752.50

Finding the Fourth Proportional to 7,947.84, 11,923.11 and 2,752.50

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Solution

The fourth proportional to 7,947.84, 11,923.11 and 2,752.50 is: 4,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.84 : 11,923.11 = 2,752.50 : x
  2. Step 2: Convert to fraction form
    7,947.84/11,923.11 = 2,752.50/x
  3. Step 3: Cross multiply
    7,947.84x = 11,923.11 × 2,752.50
  4. Step 4: Simplify right side
    7,947.84x = 32,818,360.28
  5. Step 5: Solve for x
    x = 32,818,360.28/7,947.84
  6. Step 6: Final answer
    x = 4,129.22

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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.