Home / 9,129.45-13,694.04-4,968.48

Finding the Fourth Proportional to 9,129.45, 13,694.04 and 4,968.48

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Solution

The fourth proportional to 9,129.45, 13,694.04 and 4,968.48 is: 7,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.45 : 13,694.04 = 4,968.48 : x
  2. Step 2: Convert to fraction form
    9,129.45/13,694.04 = 4,968.48/x
  3. Step 3: Cross multiply
    9,129.45x = 13,694.04 × 4,968.48
  4. Step 4: Simplify right side
    9,129.45x = 68,038,563.86
  5. Step 5: Solve for x
    x = 68,038,563.86/9,129.45
  6. Step 6: Final answer
    x = 7,452.65

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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.