Home / 8,379.25-12,569.10-3,313.23

Finding the Fourth Proportional to 8,379.25, 12,569.10 and 3,313.23

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Solution

The fourth proportional to 8,379.25, 12,569.10 and 3,313.23 is: 4,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.25 : 12,569.10 = 3,313.23 : x
  2. Step 2: Convert to fraction form
    8,379.25/12,569.10 = 3,313.23/x
  3. Step 3: Cross multiply
    8,379.25x = 12,569.10 × 3,313.23
  4. Step 4: Simplify right side
    8,379.25x = 41,644,304.30
  5. Step 5: Solve for x
    x = 41,644,304.30/8,379.25
  6. Step 6: Final answer
    x = 4,969.93

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1.5x scale

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.