Home / 5,511.60-8,270.28-2,589.84

Finding the Fourth Proportional to 5,511.60, 8,270.28 and 2,589.84

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Solution

The fourth proportional to 5,511.60, 8,270.28 and 2,589.84 is: 3,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.60 : 8,270.28 = 2,589.84 : x
  2. Step 2: Convert to fraction form
    5,511.60/8,270.28 = 2,589.84/x
  3. Step 3: Cross multiply
    5,511.60x = 8,270.28 × 2,589.84
  4. Step 4: Simplify right side
    5,511.60x = 21,418,701.96
  5. Step 5: Solve for x
    x = 21,418,701.96/5,511.60
  6. Step 6: Final answer
    x = 3,886.11

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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.