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Finding the Fourth Proportional to 6,352.32, 8,764.95 and 3,993.09

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Solution

The fourth proportional to 6,352.32, 8,764.95 and 3,993.09 is: 5,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,352.32 : 8,764.95 = 3,993.09 : x
  2. Step 2: Convert to fraction form
    6,352.32/8,764.95 = 3,993.09/x
  3. Step 3: Cross multiply
    6,352.32x = 8,764.95 × 3,993.09
  4. Step 4: Simplify right side
    6,352.32x = 34,999,234.20
  5. Step 5: Solve for x
    x = 34,999,234.20/6,352.32
  6. Step 6: Final answer
    x = 5,509.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.