Home / 7,511.87-11,270.41-2,833.22

Finding the Fourth Proportional to 7,511.87, 11,270.41 and 2,833.22

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Solution

The fourth proportional to 7,511.87, 11,270.41 and 2,833.22 is: 4,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.87 : 11,270.41 = 2,833.22 : x
  2. Step 2: Convert to fraction form
    7,511.87/11,270.41 = 2,833.22/x
  3. Step 3: Cross multiply
    7,511.87x = 11,270.41 × 2,833.22
  4. Step 4: Simplify right side
    7,511.87x = 31,931,572.11
  5. Step 5: Solve for x
    x = 31,931,572.11/7,511.87
  6. Step 6: Final answer
    x = 4,250.81

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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.