Home / 4,226.60-6,338.01-1,305.20

Finding the Fourth Proportional to 4,226.60, 6,338.01 and 1,305.20

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Solution

The fourth proportional to 4,226.60, 6,338.01 and 1,305.20 is: 1,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.60 : 6,338.01 = 1,305.20 : x
  2. Step 2: Convert to fraction form
    4,226.60/6,338.01 = 1,305.20/x
  3. Step 3: Cross multiply
    4,226.60x = 6,338.01 × 1,305.20
  4. Step 4: Simplify right side
    4,226.60x = 8,272,370.65
  5. Step 5: Solve for x
    x = 8,272,370.65/4,226.60
  6. Step 6: Final answer
    x = 1,957.22

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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.