Home / 5,416.02-7,474.38-3,177.99

Finding the Fourth Proportional to 5,416.02, 7,474.38 and 3,177.99

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Solution

The fourth proportional to 5,416.02, 7,474.38 and 3,177.99 is: 4,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.02 : 7,474.38 = 3,177.99 : x
  2. Step 2: Convert to fraction form
    5,416.02/7,474.38 = 3,177.99/x
  3. Step 3: Cross multiply
    5,416.02x = 7,474.38 × 3,177.99
  4. Step 4: Simplify right side
    5,416.02x = 23,753,504.90
  5. Step 5: Solve for x
    x = 23,753,504.90/5,416.02
  6. Step 6: Final answer
    x = 4,385.79

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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.