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Finding the Fourth Proportional to 4,088.80, 6,099.80 and 3,512.80

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Solution

The fourth proportional to 4,088.80, 6,099.80 and 3,512.80 is: 5,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.80 : 6,099.80 = 3,512.80 : x
  2. Step 2: Convert to fraction form
    4,088.80/6,099.80 = 3,512.80/x
  3. Step 3: Cross multiply
    4,088.80x = 6,099.80 × 3,512.80
  4. Step 4: Simplify right side
    4,088.80x = 21,427,377.44
  5. Step 5: Solve for x
    x = 21,427,377.44/4,088.80
  6. Step 6: Final answer
    x = 5,240.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.