Home / 6,528.28-9,793.82-2,145.56

Finding the Fourth Proportional to 6,528.28, 9,793.82 and 2,145.56

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Solution

The fourth proportional to 6,528.28, 9,793.82 and 2,145.56 is: 3,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.28 : 9,793.82 = 2,145.56 : x
  2. Step 2: Convert to fraction form
    6,528.28/9,793.82 = 2,145.56/x
  3. Step 3: Cross multiply
    6,528.28x = 9,793.82 × 2,145.56
  4. Step 4: Simplify right side
    6,528.28x = 21,013,228.44
  5. Step 5: Solve for x
    x = 21,013,228.44/6,528.28
  6. Step 6: Final answer
    x = 3,218.80

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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.