Home / 8,231.66-12,349.38-2,388.74

Finding the Fourth Proportional to 8,231.66, 12,349.38 and 2,388.74

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Solution

The fourth proportional to 8,231.66, 12,349.38 and 2,388.74 is: 3,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.66 : 12,349.38 = 2,388.74 : x
  2. Step 2: Convert to fraction form
    8,231.66/12,349.38 = 2,388.74/x
  3. Step 3: Cross multiply
    8,231.66x = 12,349.38 × 2,388.74
  4. Step 4: Simplify right side
    8,231.66x = 29,499,457.98
  5. Step 5: Solve for x
    x = 29,499,457.98/8,231.66
  6. Step 6: Final answer
    x = 3,583.66

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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.