Home / 6,217.16-8,580.30-3,422.84

Finding the Fourth Proportional to 6,217.16, 8,580.30 and 3,422.84

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Solution

The fourth proportional to 6,217.16, 8,580.30 and 3,422.84 is: 4,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.16 : 8,580.30 = 3,422.84 : x
  2. Step 2: Convert to fraction form
    6,217.16/8,580.30 = 3,422.84/x
  3. Step 3: Cross multiply
    6,217.16x = 8,580.30 × 3,422.84
  4. Step 4: Simplify right side
    6,217.16x = 29,368,994.05
  5. Step 5: Solve for x
    x = 29,368,994.05/6,217.16
  6. Step 6: Final answer
    x = 4,723.86

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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.