Home / 8,618.92-12,926.97-3,071.44

Finding the Fourth Proportional to 8,618.92, 12,926.97 and 3,071.44

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Solution

The fourth proportional to 8,618.92, 12,926.97 and 3,071.44 is: 4,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.92 : 12,926.97 = 3,071.44 : x
  2. Step 2: Convert to fraction form
    8,618.92/12,926.97 = 3,071.44/x
  3. Step 3: Cross multiply
    8,618.92x = 12,926.97 × 3,071.44
  4. Step 4: Simplify right side
    8,618.92x = 39,704,412.74
  5. Step 5: Solve for x
    x = 39,704,412.74/8,618.92
  6. Step 6: Final answer
    x = 4,606.66

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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.