Home / 6,221.34-8,585.19-3,426.66

Finding the Fourth Proportional to 6,221.34, 8,585.19 and 3,426.66

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Solution

The fourth proportional to 6,221.34, 8,585.19 and 3,426.66 is: 4,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.34 : 8,585.19 = 3,426.66 : x
  2. Step 2: Convert to fraction form
    6,221.34/8,585.19 = 3,426.66/x
  3. Step 3: Cross multiply
    6,221.34x = 8,585.19 × 3,426.66
  4. Step 4: Simplify right side
    6,221.34x = 29,418,527.17
  5. Step 5: Solve for x
    x = 29,418,527.17/6,221.34
  6. Step 6: Final answer
    x = 4,728.65

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Half scale
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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.