Home / 5,250.82-7,878.96-2,328.45

Finding the Fourth Proportional to 5,250.82, 7,878.96 and 2,328.45

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Solution

The fourth proportional to 5,250.82, 7,878.96 and 2,328.45 is: 3,493.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.82 : 7,878.96 = 2,328.45 : x
  2. Step 2: Convert to fraction form
    5,250.82/7,878.96 = 2,328.45/x
  3. Step 3: Cross multiply
    5,250.82x = 7,878.96 × 2,328.45
  4. Step 4: Simplify right side
    5,250.82x = 18,345,764.41
  5. Step 5: Solve for x
    x = 18,345,764.41/5,250.82
  6. Step 6: Final answer
    x = 3,493.89

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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.