Home / 6,528.10-9,791.13-2,145.53

Finding the Fourth Proportional to 6,528.10, 9,791.13 and 2,145.53

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Solution

The fourth proportional to 6,528.10, 9,791.13 and 2,145.53 is: 3,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.10 : 9,791.13 = 2,145.53 : x
  2. Step 2: Convert to fraction form
    6,528.10/9,791.13 = 2,145.53/x
  3. Step 3: Cross multiply
    6,528.10x = 9,791.13 × 2,145.53
  4. Step 4: Simplify right side
    6,528.10x = 21,007,122.24
  5. Step 5: Solve for x
    x = 21,007,122.24/6,528.10
  6. Step 6: Final answer
    x = 3,217.95

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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.