Home / 4,138.11-6,207.75-1,216.02

Finding the Fourth Proportional to 4,138.11, 6,207.75 and 1,216.02

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Solution

The fourth proportional to 4,138.11, 6,207.75 and 1,216.02 is: 1,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.11 : 6,207.75 = 1,216.02 : x
  2. Step 2: Convert to fraction form
    4,138.11/6,207.75 = 1,216.02/x
  3. Step 3: Cross multiply
    4,138.11x = 6,207.75 × 1,216.02
  4. Step 4: Simplify right side
    4,138.11x = 7,548,748.16
  5. Step 5: Solve for x
    x = 7,548,748.16/4,138.11
  6. Step 6: Final answer
    x = 1,824.20

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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.