Home / 8,920.07-13,380.10-3,076.22

Finding the Fourth Proportional to 8,920.07, 13,380.10 and 3,076.22

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Solution

The fourth proportional to 8,920.07, 13,380.10 and 3,076.22 is: 4,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.07 : 13,380.10 = 3,076.22 : x
  2. Step 2: Convert to fraction form
    8,920.07/13,380.10 = 3,076.22/x
  3. Step 3: Cross multiply
    8,920.07x = 13,380.10 × 3,076.22
  4. Step 4: Simplify right side
    8,920.07x = 41,160,156.98
  5. Step 5: Solve for x
    x = 41,160,156.98/8,920.07
  6. Step 6: Final answer
    x = 4,614.33

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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.