Home / 6,430.78-9,645.17-2,481.46

Finding the Fourth Proportional to 6,430.78, 9,645.17 and 2,481.46

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Solution

The fourth proportional to 6,430.78, 9,645.17 and 2,481.46 is: 3,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.78 : 9,645.17 = 2,481.46 : x
  2. Step 2: Convert to fraction form
    6,430.78/9,645.17 = 2,481.46/x
  3. Step 3: Cross multiply
    6,430.78x = 9,645.17 × 2,481.46
  4. Step 4: Simplify right side
    6,430.78x = 23,934,074.01
  5. Step 5: Solve for x
    x = 23,934,074.01/6,430.78
  6. Step 6: Final answer
    x = 3,721.80

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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.