Home / 5,174.02-7,764.93-3,790.90

Finding the Fourth Proportional to 5,174.02, 7,764.93 and 3,790.90

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Solution

The fourth proportional to 5,174.02, 7,764.93 and 3,790.90 is: 5,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.02 : 7,764.93 = 3,790.90 : x
  2. Step 2: Convert to fraction form
    5,174.02/7,764.93 = 3,790.90/x
  3. Step 3: Cross multiply
    5,174.02x = 7,764.93 × 3,790.90
  4. Step 4: Simplify right side
    5,174.02x = 29,436,082.84
  5. Step 5: Solve for x
    x = 29,436,082.84/5,174.02
  6. Step 6: Final answer
    x = 5,689.21

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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.