Home / 7,374.24-11,065.88-2,991.73

Finding the Fourth Proportional to 7,374.24, 11,065.88 and 2,991.73

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Solution

The fourth proportional to 7,374.24, 11,065.88 and 2,991.73 is: 4,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.24 : 11,065.88 = 2,991.73 : x
  2. Step 2: Convert to fraction form
    7,374.24/11,065.88 = 2,991.73/x
  3. Step 3: Cross multiply
    7,374.24x = 11,065.88 × 2,991.73
  4. Step 4: Simplify right side
    7,374.24x = 33,106,125.17
  5. Step 5: Solve for x
    x = 33,106,125.17/7,374.24
  6. Step 6: Final answer
    x = 4,489.43

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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.