Home / 5,743.46-8,610.05-2,780.22

Finding the Fourth Proportional to 5,743.46, 8,610.05 and 2,780.22

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Solution

The fourth proportional to 5,743.46, 8,610.05 and 2,780.22 is: 4,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.46 : 8,610.05 = 2,780.22 : x
  2. Step 2: Convert to fraction form
    5,743.46/8,610.05 = 2,780.22/x
  3. Step 3: Cross multiply
    5,743.46x = 8,610.05 × 2,780.22
  4. Step 4: Simplify right side
    5,743.46x = 23,937,856.81
  5. Step 5: Solve for x
    x = 23,937,856.81/5,743.46
  6. Step 6: Final answer
    x = 4,167.85

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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.