Home / 5,250.92-7,877.98-2,479.72

Finding the Fourth Proportional to 5,250.92, 7,877.98 and 2,479.72

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Solution

The fourth proportional to 5,250.92, 7,877.98 and 2,479.72 is: 3,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.92 : 7,877.98 = 2,479.72 : x
  2. Step 2: Convert to fraction form
    5,250.92/7,877.98 = 2,479.72/x
  3. Step 3: Cross multiply
    5,250.92x = 7,877.98 × 2,479.72
  4. Step 4: Simplify right side
    5,250.92x = 19,535,184.57
  5. Step 5: Solve for x
    x = 19,535,184.57/5,250.92
  6. Step 6: Final answer
    x = 3,720.34

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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.