Home / 4,872.40-7,309.69-2,273.92

Finding the Fourth Proportional to 4,872.40, 7,309.69 and 2,273.92

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Solution

The fourth proportional to 4,872.40, 7,309.69 and 2,273.92 is: 3,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.40 : 7,309.69 = 2,273.92 : x
  2. Step 2: Convert to fraction form
    4,872.40/7,309.69 = 2,273.92/x
  3. Step 3: Cross multiply
    4,872.40x = 7,309.69 × 2,273.92
  4. Step 4: Simplify right side
    4,872.40x = 16,621,650.28
  5. Step 5: Solve for x
    x = 16,621,650.28/4,872.40
  6. Step 6: Final answer
    x = 3,411.39

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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.