Home / 5,627.48-8,439.28-2,665.48

Finding the Fourth Proportional to 5,627.48, 8,439.28 and 2,665.48

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Solution

The fourth proportional to 5,627.48, 8,439.28 and 2,665.48 is: 3,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.48 : 8,439.28 = 2,665.48 : x
  2. Step 2: Convert to fraction form
    5,627.48/8,439.28 = 2,665.48/x
  3. Step 3: Cross multiply
    5,627.48x = 8,439.28 × 2,665.48
  4. Step 4: Simplify right side
    5,627.48x = 22,494,732.05
  5. Step 5: Solve for x
    x = 22,494,732.05/5,627.48
  6. Step 6: Final answer
    x = 3,997.30

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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.