Home / 4,515.71-6,231.67-2,943.80

Finding the Fourth Proportional to 4,515.71, 6,231.67 and 2,943.80

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Solution

The fourth proportional to 4,515.71, 6,231.67 and 2,943.80 is: 4,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.71 : 6,231.67 = 2,943.80 : x
  2. Step 2: Convert to fraction form
    4,515.71/6,231.67 = 2,943.80/x
  3. Step 3: Cross multiply
    4,515.71x = 6,231.67 × 2,943.80
  4. Step 4: Simplify right side
    4,515.71x = 18,344,786.04
  5. Step 5: Solve for x
    x = 18,344,786.04/4,515.71
  6. Step 6: Final answer
    x = 4,062.44

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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.