Home / 8,855.85-13,283.81-3,309.13

Finding the Fourth Proportional to 8,855.85, 13,283.81 and 3,309.13

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Solution

The fourth proportional to 8,855.85, 13,283.81 and 3,309.13 is: 4,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.85 : 13,283.81 = 3,309.13 : x
  2. Step 2: Convert to fraction form
    8,855.85/13,283.81 = 3,309.13/x
  3. Step 3: Cross multiply
    8,855.85x = 13,283.81 × 3,309.13
  4. Step 4: Simplify right side
    8,855.85x = 43,957,854.19
  5. Step 5: Solve for x
    x = 43,957,854.19/8,855.85
  6. Step 6: Final answer
    x = 4,963.71

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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.