Home / 6,216.50-8,578.83-3,422.06

Finding the Fourth Proportional to 6,216.50, 8,578.83 and 3,422.06

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Solution

The fourth proportional to 6,216.50, 8,578.83 and 3,422.06 is: 4,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.50 : 8,578.83 = 3,422.06 : x
  2. Step 2: Convert to fraction form
    6,216.50/8,578.83 = 3,422.06/x
  3. Step 3: Cross multiply
    6,216.50x = 8,578.83 × 3,422.06
  4. Step 4: Simplify right side
    6,216.50x = 29,357,270.99
  5. Step 5: Solve for x
    x = 29,357,270.99/6,216.50
  6. Step 6: Final answer
    x = 4,722.48

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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.