Home / 6,527.78-9,793.07-2,145.06

Finding the Fourth Proportional to 6,527.78, 9,793.07 and 2,145.06

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Solution

The fourth proportional to 6,527.78, 9,793.07 and 2,145.06 is: 3,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527.78 : 9,793.07 = 2,145.06 : x
  2. Step 2: Convert to fraction form
    6,527.78/9,793.07 = 2,145.06/x
  3. Step 3: Cross multiply
    6,527.78x = 9,793.07 × 2,145.06
  4. Step 4: Simplify right side
    6,527.78x = 21,006,722.73
  5. Step 5: Solve for x
    x = 21,006,722.73/6,527.78
  6. Step 6: Final answer
    x = 3,218.05

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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.