Home / 5,385.44-8,064.39-3,195.74

Finding the Fourth Proportional to 5,385.44, 8,064.39 and 3,195.74

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Solution

The fourth proportional to 5,385.44, 8,064.39 and 3,195.74 is: 4,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.44 : 8,064.39 = 3,195.74 : x
  2. Step 2: Convert to fraction form
    5,385.44/8,064.39 = 3,195.74/x
  3. Step 3: Cross multiply
    5,385.44x = 8,064.39 × 3,195.74
  4. Step 4: Simplify right side
    5,385.44x = 25,771,693.70
  5. Step 5: Solve for x
    x = 25,771,693.70/5,385.44
  6. Step 6: Final answer
    x = 4,785.44

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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.