Home / 5,385.22-8,076.26-2,097.58

Finding the Fourth Proportional to 5,385.22, 8,076.26 and 2,097.58

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Solution

The fourth proportional to 5,385.22, 8,076.26 and 2,097.58 is: 3,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.22 : 8,076.26 = 2,097.58 : x
  2. Step 2: Convert to fraction form
    5,385.22/8,076.26 = 2,097.58/x
  3. Step 3: Cross multiply
    5,385.22x = 8,076.26 × 2,097.58
  4. Step 4: Simplify right side
    5,385.22x = 16,940,601.45
  5. Step 5: Solve for x
    x = 16,940,601.45/5,385.22
  6. Step 6: Final answer
    x = 3,145.76

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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.