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Finding the Fourth Proportional to 4,719.11, 7,081.85 and 1,797.33

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Solution

The fourth proportional to 4,719.11, 7,081.85 and 1,797.33 is: 2,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.11 : 7,081.85 = 1,797.33 : x
  2. Step 2: Convert to fraction form
    4,719.11/7,081.85 = 1,797.33/x
  3. Step 3: Cross multiply
    4,719.11x = 7,081.85 × 1,797.33
  4. Step 4: Simplify right side
    4,719.11x = 12,728,452.51
  5. Step 5: Solve for x
    x = 12,728,452.51/4,719.11
  6. Step 6: Final answer
    x = 2,697.22

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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.