Home / 7,429.86-11,145.87-2,236.14

Finding the Fourth Proportional to 7,429.86, 11,145.87 and 2,236.14

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Solution

The fourth proportional to 7,429.86, 11,145.87 and 2,236.14 is: 3,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.86 : 11,145.87 = 2,236.14 : x
  2. Step 2: Convert to fraction form
    7,429.86/11,145.87 = 2,236.14/x
  3. Step 3: Cross multiply
    7,429.86x = 11,145.87 × 2,236.14
  4. Step 4: Simplify right side
    7,429.86x = 24,923,725.74
  5. Step 5: Solve for x
    x = 24,923,725.74/7,429.86
  6. Step 6: Final answer
    x = 3,354.54

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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.