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Finding the Fourth Proportional to 4,305.06, 5,940.05 and 2,815.16

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Solution

The fourth proportional to 4,305.06, 5,940.05 and 2,815.16 is: 3,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.06 : 5,940.05 = 2,815.16 : x
  2. Step 2: Convert to fraction form
    4,305.06/5,940.05 = 2,815.16/x
  3. Step 3: Cross multiply
    4,305.06x = 5,940.05 × 2,815.16
  4. Step 4: Simplify right side
    4,305.06x = 16,722,191.16
  5. Step 5: Solve for x
    x = 16,722,191.16/4,305.06
  6. Step 6: Final answer
    x = 3,884.32

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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.