Home / 4,959.50-6,843.99-3,191.10

Finding the Fourth Proportional to 4,959.50, 6,843.99 and 3,191.10

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Solution

The fourth proportional to 4,959.50, 6,843.99 and 3,191.10 is: 4,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.50 : 6,843.99 = 3,191.10 : x
  2. Step 2: Convert to fraction form
    4,959.50/6,843.99 = 3,191.10/x
  3. Step 3: Cross multiply
    4,959.50x = 6,843.99 × 3,191.10
  4. Step 4: Simplify right side
    4,959.50x = 21,839,842.79
  5. Step 5: Solve for x
    x = 21,839,842.79/4,959.50
  6. Step 6: Final answer
    x = 4,403.64

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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.