Home / 8,709.22-13,046.82-6,957.79

Finding the Fourth Proportional to 8,709.22, 13,046.82 and 6,957.79

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Solution

The fourth proportional to 8,709.22, 13,046.82 and 6,957.79 is: 10,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.22 : 13,046.82 = 6,957.79 : x
  2. Step 2: Convert to fraction form
    8,709.22/13,046.82 = 6,957.79/x
  3. Step 3: Cross multiply
    8,709.22x = 13,046.82 × 6,957.79
  4. Step 4: Simplify right side
    8,709.22x = 90,777,033.73
  5. Step 5: Solve for x
    x = 90,777,033.73/8,709.22
  6. Step 6: Final answer
    x = 10,423.10

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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.