Home / 7,416.89-11,126.55-3,519.17

Finding the Fourth Proportional to 7,416.89, 11,126.55 and 3,519.17

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Solution

The fourth proportional to 7,416.89, 11,126.55 and 3,519.17 is: 5,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.89 : 11,126.55 = 3,519.17 : x
  2. Step 2: Convert to fraction form
    7,416.89/11,126.55 = 3,519.17/x
  3. Step 3: Cross multiply
    7,416.89x = 11,126.55 × 3,519.17
  4. Step 4: Simplify right side
    7,416.89x = 39,156,220.96
  5. Step 5: Solve for x
    x = 39,156,220.96/7,416.89
  6. Step 6: Final answer
    x = 5,279.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.