Home / 8,153.35-12,231.39-2,606.26

Finding the Fourth Proportional to 8,153.35, 12,231.39 and 2,606.26

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Solution

The fourth proportional to 8,153.35, 12,231.39 and 2,606.26 is: 3,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.35 : 12,231.39 = 2,606.26 : x
  2. Step 2: Convert to fraction form
    8,153.35/12,231.39 = 2,606.26/x
  3. Step 3: Cross multiply
    8,153.35x = 12,231.39 × 2,606.26
  4. Step 4: Simplify right side
    8,153.35x = 31,878,182.50
  5. Step 5: Solve for x
    x = 31,878,182.50/8,153.35
  6. Step 6: Final answer
    x = 3,909.83

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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.