Home / 5,035.72-7,537.40-2,689.86

Finding the Fourth Proportional to 5,035.72, 7,537.40 and 2,689.86

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Solution

The fourth proportional to 5,035.72, 7,537.40 and 2,689.86 is: 4,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035.72 : 7,537.40 = 2,689.86 : x
  2. Step 2: Convert to fraction form
    5,035.72/7,537.40 = 2,689.86/x
  3. Step 3: Cross multiply
    5,035.72x = 7,537.40 × 2,689.86
  4. Step 4: Simplify right side
    5,035.72x = 20,274,548.40
  5. Step 5: Solve for x
    x = 20,274,548.40/5,035.72
  6. Step 6: Final answer
    x = 4,026.15

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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.