Home / 6,528.49-9,791.82-2,145.38

Finding the Fourth Proportional to 6,528.49, 9,791.82 and 2,145.38

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Solution

The fourth proportional to 6,528.49, 9,791.82 and 2,145.38 is: 3,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.49 : 9,791.82 = 2,145.38 : x
  2. Step 2: Convert to fraction form
    6,528.49/9,791.82 = 2,145.38/x
  3. Step 3: Cross multiply
    6,528.49x = 9,791.82 × 2,145.38
  4. Step 4: Simplify right side
    6,528.49x = 21,007,125.83
  5. Step 5: Solve for x
    x = 21,007,125.83/6,528.49
  6. Step 6: Final answer
    x = 3,217.76

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1.5x scale

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.