Home / 5,620.17-8,427.56-2,656.14

Finding the Fourth Proportional to 5,620.17, 8,427.56 and 2,656.14

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Solution

The fourth proportional to 5,620.17, 8,427.56 and 2,656.14 is: 3,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.17 : 8,427.56 = 2,656.14 : x
  2. Step 2: Convert to fraction form
    5,620.17/8,427.56 = 2,656.14/x
  3. Step 3: Cross multiply
    5,620.17x = 8,427.56 × 2,656.14
  4. Step 4: Simplify right side
    5,620.17x = 22,384,765.94
  5. Step 5: Solve for x
    x = 22,384,765.94/5,620.17
  6. Step 6: Final answer
    x = 3,982.94

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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.