Home / 5,181.06-7,775.69-2,261.41

Finding the Fourth Proportional to 5,181.06, 7,775.69 and 2,261.41

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Solution

The fourth proportional to 5,181.06, 7,775.69 and 2,261.41 is: 3,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.06 : 7,775.69 = 2,261.41 : x
  2. Step 2: Convert to fraction form
    5,181.06/7,775.69 = 2,261.41/x
  3. Step 3: Cross multiply
    5,181.06x = 7,775.69 × 2,261.41
  4. Step 4: Simplify right side
    5,181.06x = 17,584,023.12
  5. Step 5: Solve for x
    x = 17,584,023.12/5,181.06
  6. Step 6: Final answer
    x = 3,393.90

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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.