Home / 6,275.71-8,660.22-3,759.21

Finding the Fourth Proportional to 6,275.71, 8,660.22 and 3,759.21

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Solution

The fourth proportional to 6,275.71, 8,660.22 and 3,759.21 is: 5,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.71 : 8,660.22 = 3,759.21 : x
  2. Step 2: Convert to fraction form
    6,275.71/8,660.22 = 3,759.21/x
  3. Step 3: Cross multiply
    6,275.71x = 8,660.22 × 3,759.21
  4. Step 4: Simplify right side
    6,275.71x = 32,555,571.53
  5. Step 5: Solve for x
    x = 32,555,571.53/6,275.71
  6. Step 6: Final answer
    x = 5,187.55

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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.