Home / 6,385.75-9,578.62-2,003.55

Finding the Fourth Proportional to 6,385.75, 9,578.62 and 2,003.55

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Solution

The fourth proportional to 6,385.75, 9,578.62 and 2,003.55 is: 3,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.75 : 9,578.62 = 2,003.55 : x
  2. Step 2: Convert to fraction form
    6,385.75/9,578.62 = 2,003.55/x
  3. Step 3: Cross multiply
    6,385.75x = 9,578.62 × 2,003.55
  4. Step 4: Simplify right side
    6,385.75x = 19,191,196.21
  5. Step 5: Solve for x
    x = 19,191,196.21/6,385.75
  6. Step 6: Final answer
    x = 3,005.32

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Similar ratio
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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.