Home / 5,377.20-8,068.32-2,089.44

Finding the Fourth Proportional to 5,377.20, 8,068.32 and 2,089.44

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Solution

The fourth proportional to 5,377.20, 8,068.32 and 2,089.44 is: 3,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.20 : 8,068.32 = 2,089.44 : x
  2. Step 2: Convert to fraction form
    5,377.20/8,068.32 = 2,089.44/x
  3. Step 3: Cross multiply
    5,377.20x = 8,068.32 × 2,089.44
  4. Step 4: Simplify right side
    5,377.20x = 16,858,270.54
  5. Step 5: Solve for x
    x = 16,858,270.54/5,377.20
  6. Step 6: Final answer
    x = 3,135.14

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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.