Home / 5,181.81-7,150.89-2,823.95

Finding the Fourth Proportional to 5,181.81, 7,150.89 and 2,823.95

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Solution

The fourth proportional to 5,181.81, 7,150.89 and 2,823.95 is: 3,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.81 : 7,150.89 = 2,823.95 : x
  2. Step 2: Convert to fraction form
    5,181.81/7,150.89 = 2,823.95/x
  3. Step 3: Cross multiply
    5,181.81x = 7,150.89 × 2,823.95
  4. Step 4: Simplify right side
    5,181.81x = 20,193,784.28
  5. Step 5: Solve for x
    x = 20,193,784.28/5,181.81
  6. Step 6: Final answer
    x = 3,897.06

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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.