Home / 8,935.11-13,403.88-3,090.96

Finding the Fourth Proportional to 8,935.11, 13,403.88 and 3,090.96

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Solution

The fourth proportional to 8,935.11, 13,403.88 and 3,090.96 is: 4,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.11 : 13,403.88 = 3,090.96 : x
  2. Step 2: Convert to fraction form
    8,935.11/13,403.88 = 3,090.96/x
  3. Step 3: Cross multiply
    8,935.11x = 13,403.88 × 3,090.96
  4. Step 4: Simplify right side
    8,935.11x = 41,430,856.92
  5. Step 5: Solve for x
    x = 41,430,856.92/8,935.11
  6. Step 6: Final answer
    x = 4,636.86

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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.