Home / 5,184.33-7,777.84-2,718.48

Finding the Fourth Proportional to 5,184.33, 7,777.84 and 2,718.48

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Solution

The fourth proportional to 5,184.33, 7,777.84 and 2,718.48 is: 4,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.33 : 7,777.84 = 2,718.48 : x
  2. Step 2: Convert to fraction form
    5,184.33/7,777.84 = 2,718.48/x
  3. Step 3: Cross multiply
    5,184.33x = 7,777.84 × 2,718.48
  4. Step 4: Simplify right side
    5,184.33x = 21,143,902.48
  5. Step 5: Solve for x
    x = 21,143,902.48/5,184.33
  6. Step 6: Final answer
    x = 4,078.43

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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.