Home / 5,027.42-6,933.30-3,139.18

Finding the Fourth Proportional to 5,027.42, 6,933.30 and 3,139.18

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Solution

The fourth proportional to 5,027.42, 6,933.30 and 3,139.18 is: 4,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.42 : 6,933.30 = 3,139.18 : x
  2. Step 2: Convert to fraction form
    5,027.42/6,933.30 = 3,139.18/x
  3. Step 3: Cross multiply
    5,027.42x = 6,933.30 × 3,139.18
  4. Step 4: Simplify right side
    5,027.42x = 21,764,826.33
  5. Step 5: Solve for x
    x = 21,764,826.33/5,027.42
  6. Step 6: Final answer
    x = 4,329.22

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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.