Home / 8,202.15-12,274.07-4,722.39

Finding the Fourth Proportional to 8,202.15, 12,274.07 and 4,722.39

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Solution

The fourth proportional to 8,202.15, 12,274.07 and 4,722.39 is: 7,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.15 : 12,274.07 = 4,722.39 : x
  2. Step 2: Convert to fraction form
    8,202.15/12,274.07 = 4,722.39/x
  3. Step 3: Cross multiply
    8,202.15x = 12,274.07 × 4,722.39
  4. Step 4: Simplify right side
    8,202.15x = 57,962,921.82
  5. Step 5: Solve for x
    x = 57,962,921.82/8,202.15
  6. Step 6: Final answer
    x = 7,066.80

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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.