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Finding the Fourth Proportional to 6,697.39, 9,222.90 and 6,269.51

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Solution

The fourth proportional to 6,697.39, 9,222.90 and 6,269.51 is: 8,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,697.39 : 9,222.90 = 6,269.51 : x
  2. Step 2: Convert to fraction form
    6,697.39/9,222.90 = 6,269.51/x
  3. Step 3: Cross multiply
    6,697.39x = 9,222.90 × 6,269.51
  4. Step 4: Simplify right side
    6,697.39x = 57,823,063.78
  5. Step 5: Solve for x
    x = 57,823,063.78/6,697.39
  6. Step 6: Final answer
    x = 8,633.68

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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.