Home / 6,675.09-9,211.46-3,690.85

Finding the Fourth Proportional to 6,675.09, 9,211.46 and 3,690.85

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Solution

The fourth proportional to 6,675.09, 9,211.46 and 3,690.85 is: 5,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.09 : 9,211.46 = 3,690.85 : x
  2. Step 2: Convert to fraction form
    6,675.09/9,211.46 = 3,690.85/x
  3. Step 3: Cross multiply
    6,675.09x = 9,211.46 × 3,690.85
  4. Step 4: Simplify right side
    6,675.09x = 33,998,061.86
  5. Step 5: Solve for x
    x = 33,998,061.86/6,675.09
  6. Step 6: Final answer
    x = 5,093.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.