Home / 8,116.09-12,174.80-2,569.75

Finding the Fourth Proportional to 8,116.09, 12,174.80 and 2,569.75

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Solution

The fourth proportional to 8,116.09, 12,174.80 and 2,569.75 is: 3,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.09 : 12,174.80 = 2,569.75 : x
  2. Step 2: Convert to fraction form
    8,116.09/12,174.80 = 2,569.75/x
  3. Step 3: Cross multiply
    8,116.09x = 12,174.80 × 2,569.75
  4. Step 4: Simplify right side
    8,116.09x = 31,286,192.30
  5. Step 5: Solve for x
    x = 31,286,192.30/8,116.09
  6. Step 6: Final answer
    x = 3,854.84

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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.