Home / 4,207.20-6,309.73-1,245.06

Finding the Fourth Proportional to 4,207.20, 6,309.73 and 1,245.06

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Solution

The fourth proportional to 4,207.20, 6,309.73 and 1,245.06 is: 1,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.20 : 6,309.73 = 1,245.06 : x
  2. Step 2: Convert to fraction form
    4,207.20/6,309.73 = 1,245.06/x
  3. Step 3: Cross multiply
    4,207.20x = 6,309.73 × 1,245.06
  4. Step 4: Simplify right side
    4,207.20x = 7,855,992.43
  5. Step 5: Solve for x
    x = 7,855,992.43/4,207.20
  6. Step 6: Final answer
    x = 1,867.27

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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.