Home / 4,991.34-7,489.92-1,873.53

Finding the Fourth Proportional to 4,991.34, 7,489.92 and 1,873.53

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Solution

The fourth proportional to 4,991.34, 7,489.92 and 1,873.53 is: 2,811.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.34 : 7,489.92 = 1,873.53 : x
  2. Step 2: Convert to fraction form
    4,991.34/7,489.92 = 1,873.53/x
  3. Step 3: Cross multiply
    4,991.34x = 7,489.92 × 1,873.53
  4. Step 4: Simplify right side
    4,991.34x = 14,032,589.82
  5. Step 5: Solve for x
    x = 14,032,589.82/4,991.34
  6. Step 6: Final answer
    x = 2,811.39

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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.