Home / 5,299.28-7,950.12-2,832.80

Finding the Fourth Proportional to 5,299.28, 7,950.12 and 2,832.80

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Solution

The fourth proportional to 5,299.28, 7,950.12 and 2,832.80 is: 4,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.28 : 7,950.12 = 2,832.80 : x
  2. Step 2: Convert to fraction form
    5,299.28/7,950.12 = 2,832.80/x
  3. Step 3: Cross multiply
    5,299.28x = 7,950.12 × 2,832.80
  4. Step 4: Simplify right side
    5,299.28x = 22,521,099.94
  5. Step 5: Solve for x
    x = 22,521,099.94/5,299.28
  6. Step 6: Final answer
    x = 4,249.84

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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.