Home / 7,221.42-10,836.36-3,061.14

Finding the Fourth Proportional to 7,221.42, 10,836.36 and 3,061.14

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Solution

The fourth proportional to 7,221.42, 10,836.36 and 3,061.14 is: 4,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.42 : 10,836.36 = 3,061.14 : x
  2. Step 2: Convert to fraction form
    7,221.42/10,836.36 = 3,061.14/x
  3. Step 3: Cross multiply
    7,221.42x = 10,836.36 × 3,061.14
  4. Step 4: Simplify right side
    7,221.42x = 33,171,615.05
  5. Step 5: Solve for x
    x = 33,171,615.05/7,221.42
  6. Step 6: Final answer
    x = 4,593.50

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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.