Home / 7,197.08-10,795.62-2,811.46

Finding the Fourth Proportional to 7,197.08, 10,795.62 and 2,811.46

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Solution

The fourth proportional to 7,197.08, 10,795.62 and 2,811.46 is: 4,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.08 : 10,795.62 = 2,811.46 : x
  2. Step 2: Convert to fraction form
    7,197.08/10,795.62 = 2,811.46/x
  3. Step 3: Cross multiply
    7,197.08x = 10,795.62 × 2,811.46
  4. Step 4: Simplify right side
    7,197.08x = 30,351,480.06
  5. Step 5: Solve for x
    x = 30,351,480.06/7,197.08
  6. Step 6: Final answer
    x = 4,217.19

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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.