Home / 4,218.68-6,332.11-3,119.72

Finding the Fourth Proportional to 4,218.68, 6,332.11 and 3,119.72

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Solution

The fourth proportional to 4,218.68, 6,332.11 and 3,119.72 is: 4,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.68 : 6,332.11 = 3,119.72 : x
  2. Step 2: Convert to fraction form
    4,218.68/6,332.11 = 3,119.72/x
  3. Step 3: Cross multiply
    4,218.68x = 6,332.11 × 3,119.72
  4. Step 4: Simplify right side
    4,218.68x = 19,754,370.75
  5. Step 5: Solve for x
    x = 19,754,370.75/4,218.68
  6. Step 6: Final answer
    x = 4,682.59

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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.