Home / 3,944.42-5,437.01-3,866.66

Finding the Fourth Proportional to 3,944.42, 5,437.01 and 3,866.66

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Solution

The fourth proportional to 3,944.42, 5,437.01 and 3,866.66 is: 5,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.42 : 5,437.01 = 3,866.66 : x
  2. Step 2: Convert to fraction form
    3,944.42/5,437.01 = 3,866.66/x
  3. Step 3: Cross multiply
    3,944.42x = 5,437.01 × 3,866.66
  4. Step 4: Simplify right side
    3,944.42x = 21,023,022.57
  5. Step 5: Solve for x
    x = 21,023,022.57/3,944.42
  6. Step 6: Final answer
    x = 5,329.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.