Home / 8,231.23-12,346.27-2,684.45

Finding the Fourth Proportional to 8,231.23, 12,346.27 and 2,684.45

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Solution

The fourth proportional to 8,231.23, 12,346.27 and 2,684.45 is: 4,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.23 : 12,346.27 = 2,684.45 : x
  2. Step 2: Convert to fraction form
    8,231.23/12,346.27 = 2,684.45/x
  3. Step 3: Cross multiply
    8,231.23x = 12,346.27 × 2,684.45
  4. Step 4: Simplify right side
    8,231.23x = 33,142,876.06
  5. Step 5: Solve for x
    x = 33,142,876.06/8,231.23
  6. Step 6: Final answer
    x = 4,026.48

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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.