Home / 8,204.79-12,305.98-2,658.62

Finding the Fourth Proportional to 8,204.79, 12,305.98 and 2,658.62

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Solution

The fourth proportional to 8,204.79, 12,305.98 and 2,658.62 is: 3,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.79 : 12,305.98 = 2,658.62 : x
  2. Step 2: Convert to fraction form
    8,204.79/12,305.98 = 2,658.62/x
  3. Step 3: Cross multiply
    8,204.79x = 12,305.98 × 2,658.62
  4. Step 4: Simplify right side
    8,204.79x = 32,716,943.68
  5. Step 5: Solve for x
    x = 32,716,943.68/8,204.79
  6. Step 6: Final answer
    x = 3,987.54

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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.