Home / 8,920.23-13,380.37-2,996.95

Finding the Fourth Proportional to 8,920.23, 13,380.37 and 2,996.95

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Solution

The fourth proportional to 8,920.23, 13,380.37 and 2,996.95 is: 4,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.23 : 13,380.37 = 2,996.95 : x
  2. Step 2: Convert to fraction form
    8,920.23/13,380.37 = 2,996.95/x
  3. Step 3: Cross multiply
    8,920.23x = 13,380.37 × 2,996.95
  4. Step 4: Simplify right side
    8,920.23x = 40,100,240.46
  5. Step 5: Solve for x
    x = 40,100,240.46/8,920.23
  6. Step 6: Final answer
    x = 4,495.43

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Double scale
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Similar ratio
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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.