Home / 8,329.32-12,485.82-3,943.08

Finding the Fourth Proportional to 8,329.32, 12,485.82 and 3,943.08

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Solution

The fourth proportional to 8,329.32, 12,485.82 and 3,943.08 is: 5,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.32 : 12,485.82 = 3,943.08 : x
  2. Step 2: Convert to fraction form
    8,329.32/12,485.82 = 3,943.08/x
  3. Step 3: Cross multiply
    8,329.32x = 12,485.82 × 3,943.08
  4. Step 4: Simplify right side
    8,329.32x = 49,232,587.13
  5. Step 5: Solve for x
    x = 49,232,587.13/8,329.32
  6. Step 6: Final answer
    x = 5,910.76

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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.