Home / 5,721.78-8,577.18-1,823.64

Finding the Fourth Proportional to 5,721.78, 8,577.18 and 1,823.64

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Solution

The fourth proportional to 5,721.78, 8,577.18 and 1,823.64 is: 2,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.78 : 8,577.18 = 1,823.64 : x
  2. Step 2: Convert to fraction form
    5,721.78/8,577.18 = 1,823.64/x
  3. Step 3: Cross multiply
    5,721.78x = 8,577.18 × 1,823.64
  4. Step 4: Simplify right side
    5,721.78x = 15,641,688.54
  5. Step 5: Solve for x
    x = 15,641,688.54/5,721.78
  6. Step 6: Final answer
    x = 2,733.71

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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.