Home / 8,905.79-13,358.32-2,331.83

Finding the Fourth Proportional to 8,905.79, 13,358.32 and 2,331.83

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Solution

The fourth proportional to 8,905.79, 13,358.32 and 2,331.83 is: 3,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.79 : 13,358.32 = 2,331.83 : x
  2. Step 2: Convert to fraction form
    8,905.79/13,358.32 = 2,331.83/x
  3. Step 3: Cross multiply
    8,905.79x = 13,358.32 × 2,331.83
  4. Step 4: Simplify right side
    8,905.79x = 31,149,358.89
  5. Step 5: Solve for x
    x = 31,149,358.89/8,905.79
  6. Step 6: Final answer
    x = 3,497.65

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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.