Home / 5,219.92-7,203.94-2,862.50

Finding the Fourth Proportional to 5,219.92, 7,203.94 and 2,862.50

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Solution

The fourth proportional to 5,219.92, 7,203.94 and 2,862.50 is: 3,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.92 : 7,203.94 = 2,862.50 : x
  2. Step 2: Convert to fraction form
    5,219.92/7,203.94 = 2,862.50/x
  3. Step 3: Cross multiply
    5,219.92x = 7,203.94 × 2,862.50
  4. Step 4: Simplify right side
    5,219.92x = 20,621,278.25
  5. Step 5: Solve for x
    x = 20,621,278.25/5,219.92
  6. Step 6: Final answer
    x = 3,950.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.