Home / 5,250.35-7,878.26-3,400.99

Finding the Fourth Proportional to 5,250.35, 7,878.26 and 3,400.99

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Solution

The fourth proportional to 5,250.35, 7,878.26 and 3,400.99 is: 5,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.35 : 7,878.26 = 3,400.99 : x
  2. Step 2: Convert to fraction form
    5,250.35/7,878.26 = 3,400.99/x
  3. Step 3: Cross multiply
    5,250.35x = 7,878.26 × 3,400.99
  4. Step 4: Simplify right side
    5,250.35x = 26,793,872.28
  5. Step 5: Solve for x
    x = 26,793,872.28/5,250.35
  6. Step 6: Final answer
    x = 5,103.25

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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.