Home / 8,281.20-11,426.94-4,922.79

Finding the Fourth Proportional to 8,281.20, 11,426.94 and 4,922.79

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Solution

The fourth proportional to 8,281.20, 11,426.94 and 4,922.79 is: 6,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.20 : 11,426.94 = 4,922.79 : x
  2. Step 2: Convert to fraction form
    8,281.20/11,426.94 = 4,922.79/x
  3. Step 3: Cross multiply
    8,281.20x = 11,426.94 × 4,922.79
  4. Step 4: Simplify right side
    8,281.20x = 56,252,425.96
  5. Step 5: Solve for x
    x = 56,252,425.96/8,281.20
  6. Step 6: Final answer
    x = 6,792.79

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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.