Home / 5,251.69-7,873.36-2,617.76

Finding the Fourth Proportional to 5,251.69, 7,873.36 and 2,617.76

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Solution

The fourth proportional to 5,251.69, 7,873.36 and 2,617.76 is: 3,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.69 : 7,873.36 = 2,617.76 : x
  2. Step 2: Convert to fraction form
    5,251.69/7,873.36 = 2,617.76/x
  3. Step 3: Cross multiply
    5,251.69x = 7,873.36 × 2,617.76
  4. Step 4: Simplify right side
    5,251.69x = 20,610,543.06
  5. Step 5: Solve for x
    x = 20,610,543.06/5,251.69
  6. Step 6: Final answer
    x = 3,924.56

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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.