Home / 8,817.74-13,218.17-3,269.60

Finding the Fourth Proportional to 8,817.74, 13,218.17 and 3,269.60

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Solution

The fourth proportional to 8,817.74, 13,218.17 and 3,269.60 is: 4,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.74 : 13,218.17 = 3,269.60 : x
  2. Step 2: Convert to fraction form
    8,817.74/13,218.17 = 3,269.60/x
  3. Step 3: Cross multiply
    8,817.74x = 13,218.17 × 3,269.60
  4. Step 4: Simplify right side
    8,817.74x = 43,218,046.19
  5. Step 5: Solve for x
    x = 43,218,046.19/8,817.74
  6. Step 6: Final answer
    x = 4,901.26

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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.