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Finding the Fourth Proportional to 5,199.51, 7,799.28 and 2,080.29

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Solution

The fourth proportional to 5,199.51, 7,799.28 and 2,080.29 is: 3,120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.51 : 7,799.28 = 2,080.29 : x
  2. Step 2: Convert to fraction form
    5,199.51/7,799.28 = 2,080.29/x
  3. Step 3: Cross multiply
    5,199.51x = 7,799.28 × 2,080.29
  4. Step 4: Simplify right side
    5,199.51x = 16,224,764.19
  5. Step 5: Solve for x
    x = 16,224,764.19/5,199.51
  6. Step 6: Final answer
    x = 3,120.44

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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.