Home / 8,731.23-13,091.19-3,736.86

Finding the Fourth Proportional to 8,731.23, 13,091.19 and 3,736.86

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Solution

The fourth proportional to 8,731.23, 13,091.19 and 3,736.86 is: 5,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.23 : 13,091.19 = 3,736.86 : x
  2. Step 2: Convert to fraction form
    8,731.23/13,091.19 = 3,736.86/x
  3. Step 3: Cross multiply
    8,731.23x = 13,091.19 × 3,736.86
  4. Step 4: Simplify right side
    8,731.23x = 48,919,881.16
  5. Step 5: Solve for x
    x = 48,919,881.16/8,731.23
  6. Step 6: Final answer
    x = 5,602.86

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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.