Home / 8,817.40-13,226.16-3,818.60

Finding the Fourth Proportional to 8,817.40, 13,226.16 and 3,818.60

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Solution

The fourth proportional to 8,817.40, 13,226.16 and 3,818.60 is: 5,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.40 : 13,226.16 = 3,818.60 : x
  2. Step 2: Convert to fraction form
    8,817.40/13,226.16 = 3,818.60/x
  3. Step 3: Cross multiply
    8,817.40x = 13,226.16 × 3,818.60
  4. Step 4: Simplify right side
    8,817.40x = 50,505,414.58
  5. Step 5: Solve for x
    x = 50,505,414.58/8,817.40
  6. Step 6: Final answer
    x = 5,727.93

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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.