Home / 5,226.29-7,212.40-2,868.43

Finding the Fourth Proportional to 5,226.29, 7,212.40 and 2,868.43

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Solution

The fourth proportional to 5,226.29, 7,212.40 and 2,868.43 is: 3,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.29 : 7,212.40 = 2,868.43 : x
  2. Step 2: Convert to fraction form
    5,226.29/7,212.40 = 2,868.43/x
  3. Step 3: Cross multiply
    5,226.29x = 7,212.40 × 2,868.43
  4. Step 4: Simplify right side
    5,226.29x = 20,688,264.53
  5. Step 5: Solve for x
    x = 20,688,264.53/5,226.29
  6. Step 6: Final answer
    x = 3,958.50

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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.