Home / 5,032.22-6,943.20-3,689.78

Finding the Fourth Proportional to 5,032.22, 6,943.20 and 3,689.78

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Solution

The fourth proportional to 5,032.22, 6,943.20 and 3,689.78 is: 5,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,032.22 : 6,943.20 = 3,689.78 : x
  2. Step 2: Convert to fraction form
    5,032.22/6,943.20 = 3,689.78/x
  3. Step 3: Cross multiply
    5,032.22x = 6,943.20 × 3,689.78
  4. Step 4: Simplify right side
    5,032.22x = 25,618,880.50
  5. Step 5: Solve for x
    x = 25,618,880.50/5,032.22
  6. Step 6: Final answer
    x = 5,090.97

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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.