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Finding the Fourth Proportional to 7,027.18, 9,696.08 and 4,193.65

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Solution

The fourth proportional to 7,027.18, 9,696.08 and 4,193.65 is: 5,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.18 : 9,696.08 = 4,193.65 : x
  2. Step 2: Convert to fraction form
    7,027.18/9,696.08 = 4,193.65/x
  3. Step 3: Cross multiply
    7,027.18x = 9,696.08 × 4,193.65
  4. Step 4: Simplify right side
    7,027.18x = 40,661,920.68
  5. Step 5: Solve for x
    x = 40,661,920.68/7,027.18
  6. Step 6: Final answer
    x = 5,786.38

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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.