Home / 5,811.52-8,734.56-2,735.68

Finding the Fourth Proportional to 5,811.52, 8,734.56 and 2,735.68

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Solution

The fourth proportional to 5,811.52, 8,734.56 and 2,735.68 is: 4,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.52 : 8,734.56 = 2,735.68 : x
  2. Step 2: Convert to fraction form
    5,811.52/8,734.56 = 2,735.68/x
  3. Step 3: Cross multiply
    5,811.52x = 8,734.56 × 2,735.68
  4. Step 4: Simplify right side
    5,811.52x = 23,894,961.10
  5. Step 5: Solve for x
    x = 23,894,961.10/5,811.52
  6. Step 6: Final answer
    x = 4,111.65

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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.