Home / 6,110.10-8,431.80-3,591.72

Finding the Fourth Proportional to 6,110.10, 8,431.80 and 3,591.72

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Solution

The fourth proportional to 6,110.10, 8,431.80 and 3,591.72 is: 4,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.10 : 8,431.80 = 3,591.72 : x
  2. Step 2: Convert to fraction form
    6,110.10/8,431.80 = 3,591.72/x
  3. Step 3: Cross multiply
    6,110.10x = 8,431.80 × 3,591.72
  4. Step 4: Simplify right side
    6,110.10x = 30,284,664.70
  5. Step 5: Solve for x
    x = 30,284,664.70/6,110.10
  6. Step 6: Final answer
    x = 4,956.49

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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.