Home / 6,385.30-9,578.91-3,263.62

Finding the Fourth Proportional to 6,385.30, 9,578.91 and 3,263.62

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Solution

The fourth proportional to 6,385.30, 9,578.91 and 3,263.62 is: 4,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.30 : 9,578.91 = 3,263.62 : x
  2. Step 2: Convert to fraction form
    6,385.30/9,578.91 = 3,263.62/x
  3. Step 3: Cross multiply
    6,385.30x = 9,578.91 × 3,263.62
  4. Step 4: Simplify right side
    6,385.30x = 31,261,922.25
  5. Step 5: Solve for x
    x = 31,261,922.25/6,385.30
  6. Step 6: Final answer
    x = 4,895.92

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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.