Home / 6,464.25-9,696.38-2,082.15

Finding the Fourth Proportional to 6,464.25, 9,696.38 and 2,082.15

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Solution

The fourth proportional to 6,464.25, 9,696.38 and 2,082.15 is: 3,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.25 : 9,696.38 = 2,082.15 : x
  2. Step 2: Convert to fraction form
    6,464.25/9,696.38 = 2,082.15/x
  3. Step 3: Cross multiply
    6,464.25x = 9,696.38 × 2,082.15
  4. Step 4: Simplify right side
    6,464.25x = 20,189,307.21
  5. Step 5: Solve for x
    x = 20,189,307.21/6,464.25
  6. Step 6: Final answer
    x = 3,123.23

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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.