Home / 5,445.03-7,516.43-3,679.02

Finding the Fourth Proportional to 5,445.03, 7,516.43 and 3,679.02

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Solution

The fourth proportional to 5,445.03, 7,516.43 and 3,679.02 is: 5,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.03 : 7,516.43 = 3,679.02 : x
  2. Step 2: Convert to fraction form
    5,445.03/7,516.43 = 3,679.02/x
  3. Step 3: Cross multiply
    5,445.03x = 7,516.43 × 3,679.02
  4. Step 4: Simplify right side
    5,445.03x = 27,653,096.30
  5. Step 5: Solve for x
    x = 27,653,096.30/5,445.03
  6. Step 6: Final answer
    x = 5,078.59

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Why These Related Problems?

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