Home / 4,236-5,847.36-2,839.56

Finding the Fourth Proportional to 4,236, 5,847.36 and 2,839.56

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Solution

The fourth proportional to 4,236, 5,847.36 and 2,839.56 is: 3,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,236 : 5,847.36 = 2,839.56 : x
  2. Step 2: Convert to fraction form
    4,236/5,847.36 = 2,839.56/x
  3. Step 3: Cross multiply
    4,236x = 5,847.36 × 2,839.56
  4. Step 4: Simplify right side
    4,236x = 16,603,929.56
  5. Step 5: Solve for x
    x = 16,603,929.56/4,236
  6. Step 6: Final answer
    x = 3,919.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.