Home / 9,212.67-12,708.72-6,229.58

Finding the Fourth Proportional to 9,212.67, 12,708.72 and 6,229.58

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Solution

The fourth proportional to 9,212.67, 12,708.72 and 6,229.58 is: 8,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.67 : 12,708.72 = 6,229.58 : x
  2. Step 2: Convert to fraction form
    9,212.67/12,708.72 = 6,229.58/x
  3. Step 3: Cross multiply
    9,212.67x = 12,708.72 × 6,229.58
  4. Step 4: Simplify right side
    9,212.67x = 79,169,924.39
  5. Step 5: Solve for x
    x = 79,169,924.39/9,212.67
  6. Step 6: Final answer
    x = 8,593.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.