Home / 4,207.30-6,305.55-3,742.90

Finding the Fourth Proportional to 4,207.30, 6,305.55 and 3,742.90

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Solution

The fourth proportional to 4,207.30, 6,305.55 and 3,742.90 is: 5,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.30 : 6,305.55 = 3,742.90 : x
  2. Step 2: Convert to fraction form
    4,207.30/6,305.55 = 3,742.90/x
  3. Step 3: Cross multiply
    4,207.30x = 6,305.55 × 3,742.90
  4. Step 4: Simplify right side
    4,207.30x = 23,601,043.10
  5. Step 5: Solve for x
    x = 23,601,043.10/4,207.30
  6. Step 6: Final answer
    x = 5,609.55

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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.