Home / 7,447.45-11,169.94-2,181.22

Finding the Fourth Proportional to 7,447.45, 11,169.94 and 2,181.22

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Solution

The fourth proportional to 7,447.45, 11,169.94 and 2,181.22 is: 3,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.45 : 11,169.94 = 2,181.22 : x
  2. Step 2: Convert to fraction form
    7,447.45/11,169.94 = 2,181.22/x
  3. Step 3: Cross multiply
    7,447.45x = 11,169.94 × 2,181.22
  4. Step 4: Simplify right side
    7,447.45x = 24,364,096.53
  5. Step 5: Solve for x
    x = 24,364,096.53/7,447.45
  6. Step 6: Final answer
    x = 3,271.47

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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.