Home / 5,106.20-7,652.88-2,181.06

Finding the Fourth Proportional to 5,106.20, 7,652.88 and 2,181.06

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Solution

The fourth proportional to 5,106.20, 7,652.88 and 2,181.06 is: 3,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.20 : 7,652.88 = 2,181.06 : x
  2. Step 2: Convert to fraction form
    5,106.20/7,652.88 = 2,181.06/x
  3. Step 3: Cross multiply
    5,106.20x = 7,652.88 × 2,181.06
  4. Step 4: Simplify right side
    5,106.20x = 16,691,390.45
  5. Step 5: Solve for x
    x = 16,691,390.45/5,106.20
  6. Step 6: Final answer
    x = 3,268.85

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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.