Home / 8,960.56-13,436.60-3,116.44

Finding the Fourth Proportional to 8,960.56, 13,436.60 and 3,116.44

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Solution

The fourth proportional to 8,960.56, 13,436.60 and 3,116.44 is: 4,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.56 : 13,436.60 = 3,116.44 : x
  2. Step 2: Convert to fraction form
    8,960.56/13,436.60 = 3,116.44/x
  3. Step 3: Cross multiply
    8,960.56x = 13,436.60 × 3,116.44
  4. Step 4: Simplify right side
    8,960.56x = 41,874,357.70
  5. Step 5: Solve for x
    x = 41,874,357.70/8,960.56
  6. Step 6: Final answer
    x = 4,673.19

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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.