Home / 8,918.18-13,378.77-3,296.18

Finding the Fourth Proportional to 8,918.18, 13,378.77 and 3,296.18

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Solution

The fourth proportional to 8,918.18, 13,378.77 and 3,296.18 is: 4,944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.18 : 13,378.77 = 3,296.18 : x
  2. Step 2: Convert to fraction form
    8,918.18/13,378.77 = 3,296.18/x
  3. Step 3: Cross multiply
    8,918.18x = 13,378.77 × 3,296.18
  4. Step 4: Simplify right side
    8,918.18x = 44,098,834.10
  5. Step 5: Solve for x
    x = 44,098,834.10/8,918.18
  6. Step 6: Final answer
    x = 4,944.82

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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.