Home / 4,227.68-6,339.72-2,117.91

Finding the Fourth Proportional to 4,227.68, 6,339.72 and 2,117.91

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Solution

The fourth proportional to 4,227.68, 6,339.72 and 2,117.91 is: 3,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.68 : 6,339.72 = 2,117.91 : x
  2. Step 2: Convert to fraction form
    4,227.68/6,339.72 = 2,117.91/x
  3. Step 3: Cross multiply
    4,227.68x = 6,339.72 × 2,117.91
  4. Step 4: Simplify right side
    4,227.68x = 13,426,956.39
  5. Step 5: Solve for x
    x = 13,426,956.39/4,227.68
  6. Step 6: Final answer
    x = 3,175.96

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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.