Home / 5,317.02-7,976.97-2,851.38

Finding the Fourth Proportional to 5,317.02, 7,976.97 and 2,851.38

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Solution

The fourth proportional to 5,317.02, 7,976.97 and 2,851.38 is: 4,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.02 : 7,976.97 = 2,851.38 : x
  2. Step 2: Convert to fraction form
    5,317.02/7,976.97 = 2,851.38/x
  3. Step 3: Cross multiply
    5,317.02x = 7,976.97 × 2,851.38
  4. Step 4: Simplify right side
    5,317.02x = 22,745,372.72
  5. Step 5: Solve for x
    x = 22,745,372.72/5,317.02
  6. Step 6: Final answer
    x = 4,277.84

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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.