Home / 5,199.54-7,801.32-2,278.26

Finding the Fourth Proportional to 5,199.54, 7,801.32 and 2,278.26

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Solution

The fourth proportional to 5,199.54, 7,801.32 and 2,278.26 is: 3,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.54 : 7,801.32 = 2,278.26 : x
  2. Step 2: Convert to fraction form
    5,199.54/7,801.32 = 2,278.26/x
  3. Step 3: Cross multiply
    5,199.54x = 7,801.32 × 2,278.26
  4. Step 4: Simplify right side
    5,199.54x = 17,773,435.30
  5. Step 5: Solve for x
    x = 17,773,435.30/5,199.54
  6. Step 6: Final answer
    x = 3,418.27

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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.