Home / 7,511.13-11,269.38-3,350.78

Finding the Fourth Proportional to 7,511.13, 11,269.38 and 3,350.78

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Solution

The fourth proportional to 7,511.13, 11,269.38 and 3,350.78 is: 5,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.13 : 11,269.38 = 3,350.78 : x
  2. Step 2: Convert to fraction form
    7,511.13/11,269.38 = 3,350.78/x
  3. Step 3: Cross multiply
    7,511.13x = 11,269.38 × 3,350.78
  4. Step 4: Simplify right side
    7,511.13x = 37,761,156.77
  5. Step 5: Solve for x
    x = 37,761,156.77/7,511.13
  6. Step 6: Final answer
    x = 5,027.36

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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.