Home / 6,385.85-9,580.30-2,003.30

Finding the Fourth Proportional to 6,385.85, 9,580.30 and 2,003.30

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Solution

The fourth proportional to 6,385.85, 9,580.30 and 2,003.30 is: 3,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.85 : 9,580.30 = 2,003.30 : x
  2. Step 2: Convert to fraction form
    6,385.85/9,580.30 = 2,003.30/x
  3. Step 3: Cross multiply
    6,385.85x = 9,580.30 × 2,003.30
  4. Step 4: Simplify right side
    6,385.85x = 19,192,162.08
  5. Step 5: Solve for x
    x = 19,192,162.08/6,385.85
  6. Step 6: Final answer
    x = 3,005.42

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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.