Home / 5,091.70-7,627.80-3,440.14

Finding the Fourth Proportional to 5,091.70, 7,627.80 and 3,440.14

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Solution

The fourth proportional to 5,091.70, 7,627.80 and 3,440.14 is: 5,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.70 : 7,627.80 = 3,440.14 : x
  2. Step 2: Convert to fraction form
    5,091.70/7,627.80 = 3,440.14/x
  3. Step 3: Cross multiply
    5,091.70x = 7,627.80 × 3,440.14
  4. Step 4: Simplify right side
    5,091.70x = 26,240,699.89
  5. Step 5: Solve for x
    x = 26,240,699.89/5,091.70
  6. Step 6: Final answer
    x = 5,153.62

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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.