Home / 8,440.50-11,647.91-5,083.46

Finding the Fourth Proportional to 8,440.50, 11,647.91 and 5,083.46

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Solution

The fourth proportional to 8,440.50, 11,647.91 and 5,083.46 is: 7,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.50 : 11,647.91 = 5,083.46 : x
  2. Step 2: Convert to fraction form
    8,440.50/11,647.91 = 5,083.46/x
  3. Step 3: Cross multiply
    8,440.50x = 11,647.91 × 5,083.46
  4. Step 4: Simplify right side
    8,440.50x = 59,211,684.57
  5. Step 5: Solve for x
    x = 59,211,684.57/8,440.50
  6. Step 6: Final answer
    x = 7,015.19

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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.