Home / 7,817.15-10,786.62-4,793.61

Finding the Fourth Proportional to 7,817.15, 10,786.62 and 4,793.61

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Solution

The fourth proportional to 7,817.15, 10,786.62 and 4,793.61 is: 6,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.15 : 10,786.62 = 4,793.61 : x
  2. Step 2: Convert to fraction form
    7,817.15/10,786.62 = 4,793.61/x
  3. Step 3: Cross multiply
    7,817.15x = 10,786.62 × 4,793.61
  4. Step 4: Simplify right side
    7,817.15x = 51,706,849.50
  5. Step 5: Solve for x
    x = 51,706,849.50/7,817.15
  6. Step 6: Final answer
    x = 6,614.54

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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.