Home / 8,935.72-13,404.49-3,090.96

Finding the Fourth Proportional to 8,935.72, 13,404.49 and 3,090.96

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Solution

The fourth proportional to 8,935.72, 13,404.49 and 3,090.96 is: 4,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.72 : 13,404.49 = 3,090.96 : x
  2. Step 2: Convert to fraction form
    8,935.72/13,404.49 = 3,090.96/x
  3. Step 3: Cross multiply
    8,935.72x = 13,404.49 × 3,090.96
  4. Step 4: Simplify right side
    8,935.72x = 41,432,734.68
  5. Step 5: Solve for x
    x = 41,432,734.68/8,935.72
  6. Step 6: Final answer
    x = 4,636.76

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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.