Home / 7,406.28-11,111.28-2,212.14

Finding the Fourth Proportional to 7,406.28, 11,111.28 and 2,212.14

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Solution

The fourth proportional to 7,406.28, 11,111.28 and 2,212.14 is: 3,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.28 : 11,111.28 = 2,212.14 : x
  2. Step 2: Convert to fraction form
    7,406.28/11,111.28 = 2,212.14/x
  3. Step 3: Cross multiply
    7,406.28x = 11,111.28 × 2,212.14
  4. Step 4: Simplify right side
    7,406.28x = 24,579,706.94
  5. Step 5: Solve for x
    x = 24,579,706.94/7,406.28
  6. Step 6: Final answer
    x = 3,318.77

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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.