Home / 4,471.11-6,696.95-2,157.75

Finding the Fourth Proportional to 4,471.11, 6,696.95 and 2,157.75

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Solution

The fourth proportional to 4,471.11, 6,696.95 and 2,157.75 is: 3,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,471.11 : 6,696.95 = 2,157.75 : x
  2. Step 2: Convert to fraction form
    4,471.11/6,696.95 = 2,157.75/x
  3. Step 3: Cross multiply
    4,471.11x = 6,696.95 × 2,157.75
  4. Step 4: Simplify right side
    4,471.11x = 14,450,333.07
  5. Step 5: Solve for x
    x = 14,450,333.07/4,471.11
  6. Step 6: Final answer
    x = 3,231.93

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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.