Home / 4,891.79-7,340.78-2,556.01

Finding the Fourth Proportional to 4,891.79, 7,340.78 and 2,556.01

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Solution

The fourth proportional to 4,891.79, 7,340.78 and 2,556.01 is: 3,835.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.79 : 7,340.78 = 2,556.01 : x
  2. Step 2: Convert to fraction form
    4,891.79/7,340.78 = 2,556.01/x
  3. Step 3: Cross multiply
    4,891.79x = 7,340.78 × 2,556.01
  4. Step 4: Simplify right side
    4,891.79x = 18,763,066.98
  5. Step 5: Solve for x
    x = 18,763,066.98/4,891.79
  6. Step 6: Final answer
    x = 3,835.62

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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.