Home / 5,492.20-7,578.75-3,133.78

Finding the Fourth Proportional to 5,492.20, 7,578.75 and 3,133.78

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Solution

The fourth proportional to 5,492.20, 7,578.75 and 3,133.78 is: 4,324.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.20 : 7,578.75 = 3,133.78 : x
  2. Step 2: Convert to fraction form
    5,492.20/7,578.75 = 3,133.78/x
  3. Step 3: Cross multiply
    5,492.20x = 7,578.75 × 3,133.78
  4. Step 4: Simplify right side
    5,492.20x = 23,750,135.18
  5. Step 5: Solve for x
    x = 23,750,135.18/5,492.20
  6. Step 6: Final answer
    x = 4,324.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.