Home / 4,829.20-6,665.88-2,839.66

Finding the Fourth Proportional to 4,829.20, 6,665.88 and 2,839.66

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Solution

The fourth proportional to 4,829.20, 6,665.88 and 2,839.66 is: 3,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,829.20 : 6,665.88 = 2,839.66 : x
  2. Step 2: Convert to fraction form
    4,829.20/6,665.88 = 2,839.66/x
  3. Step 3: Cross multiply
    4,829.20x = 6,665.88 × 2,839.66
  4. Step 4: Simplify right side
    4,829.20x = 18,928,832.80
  5. Step 5: Solve for x
    x = 18,928,832.80/4,829.20
  6. Step 6: Final answer
    x = 3,919.66

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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.