Home / 5,180.20-7,765.61-1,892.52

Finding the Fourth Proportional to 5,180.20, 7,765.61 and 1,892.52

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Solution

The fourth proportional to 5,180.20, 7,765.61 and 1,892.52 is: 2,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.20 : 7,765.61 = 1,892.52 : x
  2. Step 2: Convert to fraction form
    5,180.20/7,765.61 = 1,892.52/x
  3. Step 3: Cross multiply
    5,180.20x = 7,765.61 × 1,892.52
  4. Step 4: Simplify right side
    5,180.20x = 14,696,572.24
  5. Step 5: Solve for x
    x = 14,696,572.24/5,180.20
  6. Step 6: Final answer
    x = 2,837.07

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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.