Home / 6,143.88-9,217.62-2,859.72

Finding the Fourth Proportional to 6,143.88, 9,217.62 and 2,859.72

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Solution

The fourth proportional to 6,143.88, 9,217.62 and 2,859.72 is: 4,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.88 : 9,217.62 = 2,859.72 : x
  2. Step 2: Convert to fraction form
    6,143.88/9,217.62 = 2,859.72/x
  3. Step 3: Cross multiply
    6,143.88x = 9,217.62 × 2,859.72
  4. Step 4: Simplify right side
    6,143.88x = 26,359,812.27
  5. Step 5: Solve for x
    x = 26,359,812.27/6,143.88
  6. Step 6: Final answer
    x = 4,290.42

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1.5x scale

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.