Home / 8,122.18-11,207.79-4,584.70

Finding the Fourth Proportional to 8,122.18, 11,207.79 and 4,584.70

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Solution

The fourth proportional to 8,122.18, 11,207.79 and 4,584.70 is: 6,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.18 : 11,207.79 = 4,584.70 : x
  2. Step 2: Convert to fraction form
    8,122.18/11,207.79 = 4,584.70/x
  3. Step 3: Cross multiply
    8,122.18x = 11,207.79 × 4,584.70
  4. Step 4: Simplify right side
    8,122.18x = 51,384,354.81
  5. Step 5: Solve for x
    x = 51,384,354.81/8,122.18
  6. Step 6: Final answer
    x = 6,326.43

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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.