Home / 5,412.28-8,103.44-2,774.10

Finding the Fourth Proportional to 5,412.28, 8,103.44 and 2,774.10

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Solution

The fourth proportional to 5,412.28, 8,103.44 and 2,774.10 is: 4,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.28 : 8,103.44 = 2,774.10 : x
  2. Step 2: Convert to fraction form
    5,412.28/8,103.44 = 2,774.10/x
  3. Step 3: Cross multiply
    5,412.28x = 8,103.44 × 2,774.10
  4. Step 4: Simplify right side
    5,412.28x = 22,479,759.94
  5. Step 5: Solve for x
    x = 22,479,759.94/5,412.28
  6. Step 6: Final answer
    x = 4,153.47

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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.