Home / 6,675.28-9,211.60-3,690.96

Finding the Fourth Proportional to 6,675.28, 9,211.60 and 3,690.96

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Solution

The fourth proportional to 6,675.28, 9,211.60 and 3,690.96 is: 5,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.28 : 9,211.60 = 3,690.96 : x
  2. Step 2: Convert to fraction form
    6,675.28/9,211.60 = 3,690.96/x
  3. Step 3: Cross multiply
    6,675.28x = 9,211.60 × 3,690.96
  4. Step 4: Simplify right side
    6,675.28x = 33,999,647.14
  5. Step 5: Solve for x
    x = 33,999,647.14/6,675.28
  6. Step 6: Final answer
    x = 5,093.37

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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.