Home / 5,117.24-7,664.72-3,136.88

Finding the Fourth Proportional to 5,117.24, 7,664.72 and 3,136.88

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Solution

The fourth proportional to 5,117.24, 7,664.72 and 3,136.88 is: 4,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.24 : 7,664.72 = 3,136.88 : x
  2. Step 2: Convert to fraction form
    5,117.24/7,664.72 = 3,136.88/x
  3. Step 3: Cross multiply
    5,117.24x = 7,664.72 × 3,136.88
  4. Step 4: Simplify right side
    5,117.24x = 24,043,306.87
  5. Step 5: Solve for x
    x = 24,043,306.87/5,117.24
  6. Step 6: Final answer
    x = 4,698.49

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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.