Home / 6,524.72-9,788.75-2,142.21

Finding the Fourth Proportional to 6,524.72, 9,788.75 and 2,142.21

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Solution

The fourth proportional to 6,524.72, 9,788.75 and 2,142.21 is: 3,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,524.72 : 9,788.75 = 2,142.21 : x
  2. Step 2: Convert to fraction form
    6,524.72/9,788.75 = 2,142.21/x
  3. Step 3: Cross multiply
    6,524.72x = 9,788.75 × 2,142.21
  4. Step 4: Simplify right side
    6,524.72x = 20,969,592.17
  5. Step 5: Solve for x
    x = 20,969,592.17/6,524.72
  6. Step 6: Final answer
    x = 3,213.87

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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.