Home / 5,441.79-8,155.80-2,667.81

Finding the Fourth Proportional to 5,441.79, 8,155.80 and 2,667.81

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Solution

The fourth proportional to 5,441.79, 8,155.80 and 2,667.81 is: 3,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.79 : 8,155.80 = 2,667.81 : x
  2. Step 2: Convert to fraction form
    5,441.79/8,155.80 = 2,667.81/x
  3. Step 3: Cross multiply
    5,441.79x = 8,155.80 × 2,667.81
  4. Step 4: Simplify right side
    5,441.79x = 21,758,124.80
  5. Step 5: Solve for x
    x = 21,758,124.80/5,441.79
  6. Step 6: Final answer
    x = 3,998.34

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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.