Home / 8,622.25-12,922.90-3,935.83

Finding the Fourth Proportional to 8,622.25, 12,922.90 and 3,935.83

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Solution

The fourth proportional to 8,622.25, 12,922.90 and 3,935.83 is: 5,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.25 : 12,922.90 = 3,935.83 : x
  2. Step 2: Convert to fraction form
    8,622.25/12,922.90 = 3,935.83/x
  3. Step 3: Cross multiply
    8,622.25x = 12,922.90 × 3,935.83
  4. Step 4: Simplify right side
    8,622.25x = 50,862,337.51
  5. Step 5: Solve for x
    x = 50,862,337.51/8,622.25
  6. Step 6: Final answer
    x = 5,898.96

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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.