Home / 6,220.92-8,584.72-3,426.40

Finding the Fourth Proportional to 6,220.92, 8,584.72 and 3,426.40

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Solution

The fourth proportional to 6,220.92, 8,584.72 and 3,426.40 is: 4,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.92 : 8,584.72 = 3,426.40 : x
  2. Step 2: Convert to fraction form
    6,220.92/8,584.72 = 3,426.40/x
  3. Step 3: Cross multiply
    6,220.92x = 8,584.72 × 3,426.40
  4. Step 4: Simplify right side
    6,220.92x = 29,414,684.61
  5. Step 5: Solve for x
    x = 29,414,684.61/6,220.92
  6. Step 6: Final answer
    x = 4,728.35

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Half scale
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Double 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.