Home / 7,943.06-11,914.59-2,748.94

Finding the Fourth Proportional to 7,943.06, 11,914.59 and 2,748.94

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Solution

The fourth proportional to 7,943.06, 11,914.59 and 2,748.94 is: 4,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.06 : 11,914.59 = 2,748.94 : x
  2. Step 2: Convert to fraction form
    7,943.06/11,914.59 = 2,748.94/x
  3. Step 3: Cross multiply
    7,943.06x = 11,914.59 × 2,748.94
  4. Step 4: Simplify right side
    7,943.06x = 32,752,473.56
  5. Step 5: Solve for x
    x = 32,752,473.56/7,943.06
  6. Step 6: Final answer
    x = 4,123.41

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1.5x scale

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.