Home / 5,181.32-7,767.30-1,892.10

Finding the Fourth Proportional to 5,181.32, 7,767.30 and 1,892.10

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Solution

The fourth proportional to 5,181.32, 7,767.30 and 1,892.10 is: 2,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.32 : 7,767.30 = 1,892.10 : x
  2. Step 2: Convert to fraction form
    5,181.32/7,767.30 = 1,892.10/x
  3. Step 3: Cross multiply
    5,181.32x = 7,767.30 × 1,892.10
  4. Step 4: Simplify right side
    5,181.32x = 14,696,508.33
  5. Step 5: Solve for x
    x = 14,696,508.33/5,181.32
  6. Step 6: Final answer
    x = 2,836.44

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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.