Home / 8,569.40-12,847.38-3,379.16

Finding the Fourth Proportional to 8,569.40, 12,847.38 and 3,379.16

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Solution

The fourth proportional to 8,569.40, 12,847.38 and 3,379.16 is: 5,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.40 : 12,847.38 = 3,379.16 : x
  2. Step 2: Convert to fraction form
    8,569.40/12,847.38 = 3,379.16/x
  3. Step 3: Cross multiply
    8,569.40x = 12,847.38 × 3,379.16
  4. Step 4: Simplify right side
    8,569.40x = 43,413,352.60
  5. Step 5: Solve for x
    x = 43,413,352.60/8,569.40
  6. Step 6: Final answer
    x = 5,066.09

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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.