Home / 7,751.18-11,610.37-4,815.13

Finding the Fourth Proportional to 7,751.18, 11,610.37 and 4,815.13

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Solution

The fourth proportional to 7,751.18, 11,610.37 and 4,815.13 is: 7,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.18 : 11,610.37 = 4,815.13 : x
  2. Step 2: Convert to fraction form
    7,751.18/11,610.37 = 4,815.13/x
  3. Step 3: Cross multiply
    7,751.18x = 11,610.37 × 4,815.13
  4. Step 4: Simplify right side
    7,751.18x = 55,905,440.90
  5. Step 5: Solve for x
    x = 55,905,440.90/7,751.18
  6. Step 6: Final answer
    x = 7,212.51

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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.