Home / 7,511.61-11,269.26-2,581.32

Finding the Fourth Proportional to 7,511.61, 11,269.26 and 2,581.32

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Solution

The fourth proportional to 7,511.61, 11,269.26 and 2,581.32 is: 3,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.61 : 11,269.26 = 2,581.32 : x
  2. Step 2: Convert to fraction form
    7,511.61/11,269.26 = 2,581.32/x
  3. Step 3: Cross multiply
    7,511.61x = 11,269.26 × 2,581.32
  4. Step 4: Simplify right side
    7,511.61x = 29,089,566.22
  5. Step 5: Solve for x
    x = 29,089,566.22/7,511.61
  6. Step 6: Final answer
    x = 3,872.61

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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.