Home / 7,677.12-11,517.12-3,060.16

Finding the Fourth Proportional to 7,677.12, 11,517.12 and 3,060.16

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Solution

The fourth proportional to 7,677.12, 11,517.12 and 3,060.16 is: 4,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.12 : 11,517.12 = 3,060.16 : x
  2. Step 2: Convert to fraction form
    7,677.12/11,517.12 = 3,060.16/x
  3. Step 3: Cross multiply
    7,677.12x = 11,517.12 × 3,060.16
  4. Step 4: Simplify right side
    7,677.12x = 35,244,229.94
  5. Step 5: Solve for x
    x = 35,244,229.94/7,677.12
  6. Step 6: Final answer
    x = 4,590.81

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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.