Home / 5,144.64-7,717.36-1,682.24

Finding the Fourth Proportional to 5,144.64, 7,717.36 and 1,682.24

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Solution

The fourth proportional to 5,144.64, 7,717.36 and 1,682.24 is: 2,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.64 : 7,717.36 = 1,682.24 : x
  2. Step 2: Convert to fraction form
    5,144.64/7,717.36 = 1,682.24/x
  3. Step 3: Cross multiply
    5,144.64x = 7,717.36 × 1,682.24
  4. Step 4: Simplify right side
    5,144.64x = 12,982,451.69
  5. Step 5: Solve for x
    x = 12,982,451.69/5,144.64
  6. Step 6: Final answer
    x = 2,523.49

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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.