Home / 4,748.33-7,124.07-2,991.30

Finding the Fourth Proportional to 4,748.33, 7,124.07 and 2,991.30

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Solution

The fourth proportional to 4,748.33, 7,124.07 and 2,991.30 is: 4,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.33 : 7,124.07 = 2,991.30 : x
  2. Step 2: Convert to fraction form
    4,748.33/7,124.07 = 2,991.30/x
  3. Step 3: Cross multiply
    4,748.33x = 7,124.07 × 2,991.30
  4. Step 4: Simplify right side
    4,748.33x = 21,310,230.59
  5. Step 5: Solve for x
    x = 21,310,230.59/4,748.33
  6. Step 6: Final answer
    x = 4,487.95

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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.