Home / 5,217.36-7,815.61-3,136.23

Finding the Fourth Proportional to 5,217.36, 7,815.61 and 3,136.23

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Solution

The fourth proportional to 5,217.36, 7,815.61 and 3,136.23 is: 4,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.36 : 7,815.61 = 3,136.23 : x
  2. Step 2: Convert to fraction form
    5,217.36/7,815.61 = 3,136.23/x
  3. Step 3: Cross multiply
    5,217.36x = 7,815.61 × 3,136.23
  4. Step 4: Simplify right side
    5,217.36x = 24,511,550.55
  5. Step 5: Solve for x
    x = 24,511,550.55/5,217.36
  6. Step 6: Final answer
    x = 4,698.08

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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.