Home / 8,220.28-12,333.53-4,935.66

Finding the Fourth Proportional to 8,220.28, 12,333.53 and 4,935.66

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Solution

The fourth proportional to 8,220.28, 12,333.53 and 4,935.66 is: 7,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.28 : 12,333.53 = 4,935.66 : x
  2. Step 2: Convert to fraction form
    8,220.28/12,333.53 = 4,935.66/x
  3. Step 3: Cross multiply
    8,220.28x = 12,333.53 × 4,935.66
  4. Step 4: Simplify right side
    8,220.28x = 60,874,110.68
  5. Step 5: Solve for x
    x = 60,874,110.68/8,220.28
  6. Step 6: Final answer
    x = 7,405.36

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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.