Home / 7,577.82-11,372.04-4,242.60

Finding the Fourth Proportional to 7,577.82, 11,372.04 and 4,242.60

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Solution

The fourth proportional to 7,577.82, 11,372.04 and 4,242.60 is: 6,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.82 : 11,372.04 = 4,242.60 : x
  2. Step 2: Convert to fraction form
    7,577.82/11,372.04 = 4,242.60/x
  3. Step 3: Cross multiply
    7,577.82x = 11,372.04 × 4,242.60
  4. Step 4: Simplify right side
    7,577.82x = 48,247,016.90
  5. Step 5: Solve for x
    x = 48,247,016.90/7,577.82
  6. Step 6: Final answer
    x = 6,366.87

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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.