Home / 8,813.15-13,216.65-3,546.80

Finding the Fourth Proportional to 8,813.15, 13,216.65 and 3,546.80

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Solution

The fourth proportional to 8,813.15, 13,216.65 and 3,546.80 is: 5,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.15 : 13,216.65 = 3,546.80 : x
  2. Step 2: Convert to fraction form
    8,813.15/13,216.65 = 3,546.80/x
  3. Step 3: Cross multiply
    8,813.15x = 13,216.65 × 3,546.80
  4. Step 4: Simplify right side
    8,813.15x = 46,876,748.14
  5. Step 5: Solve for x
    x = 46,876,748.14/8,813.15
  6. Step 6: Final answer
    x = 5,318.95

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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.