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Finding the Fourth Proportional to 8,357.39, 12,536.11 and 2,117.41

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Solution

The fourth proportional to 8,357.39, 12,536.11 and 2,117.41 is: 3,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.39 : 12,536.11 = 2,117.41 : x
  2. Step 2: Convert to fraction form
    8,357.39/12,536.11 = 2,117.41/x
  3. Step 3: Cross multiply
    8,357.39x = 12,536.11 × 2,117.41
  4. Step 4: Simplify right side
    8,357.39x = 26,544,084.68
  5. Step 5: Solve for x
    x = 26,544,084.68/8,357.39
  6. Step 6: Final answer
    x = 3,176.12

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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.