Home / 5,277.13-7,908.84-2,153.56

Finding the Fourth Proportional to 5,277.13, 7,908.84 and 2,153.56

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Solution

The fourth proportional to 5,277.13, 7,908.84 and 2,153.56 is: 3,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.13 : 7,908.84 = 2,153.56 : x
  2. Step 2: Convert to fraction form
    5,277.13/7,908.84 = 2,153.56/x
  3. Step 3: Cross multiply
    5,277.13x = 7,908.84 × 2,153.56
  4. Step 4: Simplify right side
    5,277.13x = 17,032,121.93
  5. Step 5: Solve for x
    x = 17,032,121.93/5,277.13
  6. Step 6: Final answer
    x = 3,227.54

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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.