Home / 4,947.38-7,421.29-2,754.45

Finding the Fourth Proportional to 4,947.38, 7,421.29 and 2,754.45

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Solution

The fourth proportional to 4,947.38, 7,421.29 and 2,754.45 is: 4,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.38 : 7,421.29 = 2,754.45 : x
  2. Step 2: Convert to fraction form
    4,947.38/7,421.29 = 2,754.45/x
  3. Step 3: Cross multiply
    4,947.38x = 7,421.29 × 2,754.45
  4. Step 4: Simplify right side
    4,947.38x = 20,441,594.24
  5. Step 5: Solve for x
    x = 20,441,594.24/4,947.38
  6. Step 6: Final answer
    x = 4,131.81

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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.