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Finding the Fourth Proportional to 4,383.57, 6,568.83 and 4,274.90

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Solution

The fourth proportional to 4,383.57, 6,568.83 and 4,274.90 is: 6,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,383.57 : 6,568.83 = 4,274.90 : x
  2. Step 2: Convert to fraction form
    4,383.57/6,568.83 = 4,274.90/x
  3. Step 3: Cross multiply
    4,383.57x = 6,568.83 × 4,274.90
  4. Step 4: Simplify right side
    4,383.57x = 28,081,058.52
  5. Step 5: Solve for x
    x = 28,081,058.52/4,383.57
  6. Step 6: Final answer
    x = 6,405.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.