Home / 8,821.67-12,173.46-5,236.79

Finding the Fourth Proportional to 8,821.67, 12,173.46 and 5,236.79

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Solution

The fourth proportional to 8,821.67, 12,173.46 and 5,236.79 is: 7,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.67 : 12,173.46 = 5,236.79 : x
  2. Step 2: Convert to fraction form
    8,821.67/12,173.46 = 5,236.79/x
  3. Step 3: Cross multiply
    8,821.67x = 12,173.46 × 5,236.79
  4. Step 4: Simplify right side
    8,821.67x = 63,749,792.73
  5. Step 5: Solve for x
    x = 63,749,792.73/8,821.67
  6. Step 6: Final answer
    x = 7,226.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.