Home / 5,145.22-7,711.91-2,023.51

Finding the Fourth Proportional to 5,145.22, 7,711.91 and 2,023.51

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Solution

The fourth proportional to 5,145.22, 7,711.91 and 2,023.51 is: 3,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.22 : 7,711.91 = 2,023.51 : x
  2. Step 2: Convert to fraction form
    5,145.22/7,711.91 = 2,023.51/x
  3. Step 3: Cross multiply
    5,145.22x = 7,711.91 × 2,023.51
  4. Step 4: Simplify right side
    5,145.22x = 15,605,097.97
  5. Step 5: Solve for x
    x = 15,605,097.97/5,145.22
  6. Step 6: Final answer
    x = 3,032.93

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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.