Home / 4,761.24-7,139.58-2,812.92

Finding the Fourth Proportional to 4,761.24, 7,139.58 and 2,812.92

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Solution

The fourth proportional to 4,761.24, 7,139.58 and 2,812.92 is: 4,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.24 : 7,139.58 = 2,812.92 : x
  2. Step 2: Convert to fraction form
    4,761.24/7,139.58 = 2,812.92/x
  3. Step 3: Cross multiply
    4,761.24x = 7,139.58 × 2,812.92
  4. Step 4: Simplify right side
    4,761.24x = 20,083,067.37
  5. Step 5: Solve for x
    x = 20,083,067.37/4,761.24
  6. Step 6: Final answer
    x = 4,218.03

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1.5x scale

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.