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Finding the Fourth Proportional to 6,675.58, 9,211.50 and 3,691.01

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Solution

The fourth proportional to 6,675.58, 9,211.50 and 3,691.01 is: 5,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.58 : 9,211.50 = 3,691.01 : x
  2. Step 2: Convert to fraction form
    6,675.58/9,211.50 = 3,691.01/x
  3. Step 3: Cross multiply
    6,675.58x = 9,211.50 × 3,691.01
  4. Step 4: Simplify right side
    6,675.58x = 33,999,738.62
  5. Step 5: Solve for x
    x = 33,999,738.62/6,675.58
  6. Step 6: Final answer
    x = 5,093.15

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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.