Home / 5,181.93-7,151.02-2,824.02

Finding the Fourth Proportional to 5,181.93, 7,151.02 and 2,824.02

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Solution

The fourth proportional to 5,181.93, 7,151.02 and 2,824.02 is: 3,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.93 : 7,151.02 = 2,824.02 : x
  2. Step 2: Convert to fraction form
    5,181.93/7,151.02 = 2,824.02/x
  3. Step 3: Cross multiply
    5,181.93x = 7,151.02 × 2,824.02
  4. Step 4: Simplify right side
    5,181.93x = 20,194,616.44
  5. Step 5: Solve for x
    x = 20,194,616.44/5,181.93
  6. Step 6: Final answer
    x = 3,897.12

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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.