Home / 4,917.73-7,378.78-2,577.18

Finding the Fourth Proportional to 4,917.73, 7,378.78 and 2,577.18

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Solution

The fourth proportional to 4,917.73, 7,378.78 and 2,577.18 is: 3,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.73 : 7,378.78 = 2,577.18 : x
  2. Step 2: Convert to fraction form
    4,917.73/7,378.78 = 2,577.18/x
  3. Step 3: Cross multiply
    4,917.73x = 7,378.78 × 2,577.18
  4. Step 4: Simplify right side
    4,917.73x = 19,016,423.82
  5. Step 5: Solve for x
    x = 19,016,423.82/4,917.73
  6. Step 6: Final answer
    x = 3,866.91

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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.