Home / 6,216.67-8,578.96-3,422.17

Finding the Fourth Proportional to 6,216.67, 8,578.96 and 3,422.17

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Solution

The fourth proportional to 6,216.67, 8,578.96 and 3,422.17 is: 4,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.67 : 8,578.96 = 3,422.17 : x
  2. Step 2: Convert to fraction form
    6,216.67/8,578.96 = 3,422.17/x
  3. Step 3: Cross multiply
    6,216.67x = 8,578.96 × 3,422.17
  4. Step 4: Simplify right side
    6,216.67x = 29,358,659.54
  5. Step 5: Solve for x
    x = 29,358,659.54/6,216.67
  6. Step 6: Final answer
    x = 4,722.57

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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.