Home / 5,377.14-7,416.90-3,882.60

Finding the Fourth Proportional to 5,377.14, 7,416.90 and 3,882.60

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Solution

The fourth proportional to 5,377.14, 7,416.90 and 3,882.60 is: 5,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.14 : 7,416.90 = 3,882.60 : x
  2. Step 2: Convert to fraction form
    5,377.14/7,416.90 = 3,882.60/x
  3. Step 3: Cross multiply
    5,377.14x = 7,416.90 × 3,882.60
  4. Step 4: Simplify right side
    5,377.14x = 28,796,855.94
  5. Step 5: Solve for x
    x = 28,796,855.94/5,377.14
  6. Step 6: Final answer
    x = 5,355.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.