Home / 6,385.85-9,578.77-2,003.31

Finding the Fourth Proportional to 6,385.85, 9,578.77 and 2,003.31

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Solution

The fourth proportional to 6,385.85, 9,578.77 and 2,003.31 is: 3,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.85 : 9,578.77 = 2,003.31 : x
  2. Step 2: Convert to fraction form
    6,385.85/9,578.77 = 2,003.31/x
  3. Step 3: Cross multiply
    6,385.85x = 9,578.77 × 2,003.31
  4. Step 4: Simplify right side
    6,385.85x = 19,189,245.73
  5. Step 5: Solve for x
    x = 19,189,245.73/6,385.85
  6. Step 6: Final answer
    x = 3,004.96

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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.