Home / 3,966.22-5,923.29-3,187.41

Finding the Fourth Proportional to 3,966.22, 5,923.29 and 3,187.41

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Solution

The fourth proportional to 3,966.22, 5,923.29 and 3,187.41 is: 4,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.22 : 5,923.29 = 3,187.41 : x
  2. Step 2: Convert to fraction form
    3,966.22/5,923.29 = 3,187.41/x
  3. Step 3: Cross multiply
    3,966.22x = 5,923.29 × 3,187.41
  4. Step 4: Simplify right side
    3,966.22x = 18,879,953.78
  5. Step 5: Solve for x
    x = 18,879,953.78/3,966.22
  6. Step 6: Final answer
    x = 4,760.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.