Home / 4,873.76-7,305.51-2,099.78

Finding the Fourth Proportional to 4,873.76, 7,305.51 and 2,099.78

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Solution

The fourth proportional to 4,873.76, 7,305.51 and 2,099.78 is: 3,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.76 : 7,305.51 = 2,099.78 : x
  2. Step 2: Convert to fraction form
    4,873.76/7,305.51 = 2,099.78/x
  3. Step 3: Cross multiply
    4,873.76x = 7,305.51 × 2,099.78
  4. Step 4: Simplify right side
    4,873.76x = 15,339,963.79
  5. Step 5: Solve for x
    x = 15,339,963.79/4,873.76
  6. Step 6: Final answer
    x = 3,147.46

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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.