Home / 5,385.44-8,081.84-2,098.54

Finding the Fourth Proportional to 5,385.44, 8,081.84 and 2,098.54

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Solution

The fourth proportional to 5,385.44, 8,081.84 and 2,098.54 is: 3,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.44 : 8,081.84 = 2,098.54 : x
  2. Step 2: Convert to fraction form
    5,385.44/8,081.84 = 2,098.54/x
  3. Step 3: Cross multiply
    5,385.44x = 8,081.84 × 2,098.54
  4. Step 4: Simplify right side
    5,385.44x = 16,960,064.51
  5. Step 5: Solve for x
    x = 16,960,064.51/5,385.44
  6. Step 6: Final answer
    x = 3,149.24

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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.