Home / 4,226.80-6,340.05-1,305.13

Finding the Fourth Proportional to 4,226.80, 6,340.05 and 1,305.13

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Solution

The fourth proportional to 4,226.80, 6,340.05 and 1,305.13 is: 1,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.80 : 6,340.05 = 1,305.13 : x
  2. Step 2: Convert to fraction form
    4,226.80/6,340.05 = 1,305.13/x
  3. Step 3: Cross multiply
    4,226.80x = 6,340.05 × 1,305.13
  4. Step 4: Simplify right side
    4,226.80x = 8,274,589.46
  5. Step 5: Solve for x
    x = 8,274,589.46/4,226.80
  6. Step 6: Final answer
    x = 1,957.65

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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.