Home / 5,110.98-7,666.44-3,379.20

Finding the Fourth Proportional to 5,110.98, 7,666.44 and 3,379.20

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Solution

The fourth proportional to 5,110.98, 7,666.44 and 3,379.20 is: 5,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.98 : 7,666.44 = 3,379.20 : x
  2. Step 2: Convert to fraction form
    5,110.98/7,666.44 = 3,379.20/x
  3. Step 3: Cross multiply
    5,110.98x = 7,666.44 × 3,379.20
  4. Step 4: Simplify right side
    5,110.98x = 25,906,434.05
  5. Step 5: Solve for x
    x = 25,906,434.05/5,110.98
  6. Step 6: Final answer
    x = 5,068.78

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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.