Home / 5,104.91-7,044.99-2,980.11

Finding the Fourth Proportional to 5,104.91, 7,044.99 and 2,980.11

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Solution

The fourth proportional to 5,104.91, 7,044.99 and 2,980.11 is: 4,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.91 : 7,044.99 = 2,980.11 : x
  2. Step 2: Convert to fraction form
    5,104.91/7,044.99 = 2,980.11/x
  3. Step 3: Cross multiply
    5,104.91x = 7,044.99 × 2,980.11
  4. Step 4: Simplify right side
    5,104.91x = 20,994,845.15
  5. Step 5: Solve for x
    x = 20,994,845.15/5,104.91
  6. Step 6: Final answer
    x = 4,112.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.