Home / 7,511.11-10,354.28-5,912.62

Finding the Fourth Proportional to 7,511.11, 10,354.28 and 5,912.62

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Solution

The fourth proportional to 7,511.11, 10,354.28 and 5,912.62 is: 8,150.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.11 : 10,354.28 = 5,912.62 : x
  2. Step 2: Convert to fraction form
    7,511.11/10,354.28 = 5,912.62/x
  3. Step 3: Cross multiply
    7,511.11x = 10,354.28 × 5,912.62
  4. Step 4: Simplify right side
    7,511.11x = 61,220,867.56
  5. Step 5: Solve for x
    x = 61,220,867.56/7,511.11
  6. Step 6: Final answer
    x = 8,150.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.