Home / 5,277.11-7,919.55-2,503.78

Finding the Fourth Proportional to 5,277.11, 7,919.55 and 2,503.78

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Solution

The fourth proportional to 5,277.11, 7,919.55 and 2,503.78 is: 3,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.11 : 7,919.55 = 2,503.78 : x
  2. Step 2: Convert to fraction form
    5,277.11/7,919.55 = 2,503.78/x
  3. Step 3: Cross multiply
    5,277.11x = 7,919.55 × 2,503.78
  4. Step 4: Simplify right side
    5,277.11x = 19,828,791.10
  5. Step 5: Solve for x
    x = 19,828,791.10/5,277.11
  6. Step 6: Final answer
    x = 3,757.51

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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.