Home / 5,183.84-7,777.14-2,717.99

Finding the Fourth Proportional to 5,183.84, 7,777.14 and 2,717.99

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Solution

The fourth proportional to 5,183.84, 7,777.14 and 2,717.99 is: 4,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.84 : 7,777.14 = 2,717.99 : x
  2. Step 2: Convert to fraction form
    5,183.84/7,777.14 = 2,717.99/x
  3. Step 3: Cross multiply
    5,183.84x = 7,777.14 × 2,717.99
  4. Step 4: Simplify right side
    5,183.84x = 21,138,149.86
  5. Step 5: Solve for x
    x = 21,138,149.86/5,183.84
  6. Step 6: Final answer
    x = 4,077.70

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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.