Home / 7,474.25-11,211.26-2,280.12

Finding the Fourth Proportional to 7,474.25, 11,211.26 and 2,280.12

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Solution

The fourth proportional to 7,474.25, 11,211.26 and 2,280.12 is: 3,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.25 : 11,211.26 = 2,280.12 : x
  2. Step 2: Convert to fraction form
    7,474.25/11,211.26 = 2,280.12/x
  3. Step 3: Cross multiply
    7,474.25x = 11,211.26 × 2,280.12
  4. Step 4: Simplify right side
    7,474.25x = 25,563,006.75
  5. Step 5: Solve for x
    x = 25,563,006.75/7,474.25
  6. Step 6: Final answer
    x = 3,420.15

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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.