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Finding the Fourth Proportional to 5,203.64, 7,801.08 and 2,081.72

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Solution

The fourth proportional to 5,203.64, 7,801.08 and 2,081.72 is: 3,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.64 : 7,801.08 = 2,081.72 : x
  2. Step 2: Convert to fraction form
    5,203.64/7,801.08 = 2,081.72/x
  3. Step 3: Cross multiply
    5,203.64x = 7,801.08 × 2,081.72
  4. Step 4: Simplify right side
    5,203.64x = 16,239,664.26
  5. Step 5: Solve for x
    x = 16,239,664.26/5,203.64
  6. Step 6: Final answer
    x = 3,120.83

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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.