Home / 6,221.14-8,585.16-3,426.64

Finding the Fourth Proportional to 6,221.14, 8,585.16 and 3,426.64

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Solution

The fourth proportional to 6,221.14, 8,585.16 and 3,426.64 is: 4,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.14 : 8,585.16 = 3,426.64 : x
  2. Step 2: Convert to fraction form
    6,221.14/8,585.16 = 3,426.64/x
  3. Step 3: Cross multiply
    6,221.14x = 8,585.16 × 3,426.64
  4. Step 4: Simplify right side
    6,221.14x = 29,418,252.66
  5. Step 5: Solve for x
    x = 29,418,252.66/6,221.14
  6. Step 6: Final answer
    x = 4,728.76

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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.