Home / 8,731.43-13,090.55-4,351.98

Finding the Fourth Proportional to 8,731.43, 13,090.55 and 4,351.98

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Solution

The fourth proportional to 8,731.43, 13,090.55 and 4,351.98 is: 6,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.43 : 13,090.55 = 4,351.98 : x
  2. Step 2: Convert to fraction form
    8,731.43/13,090.55 = 4,351.98/x
  3. Step 3: Cross multiply
    8,731.43x = 13,090.55 × 4,351.98
  4. Step 4: Simplify right side
    8,731.43x = 56,969,790.03
  5. Step 5: Solve for x
    x = 56,969,790.03/8,731.43
  6. Step 6: Final answer
    x = 6,524.68

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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.