Home / 7,966.16-11,949.26-2,419.55

Finding the Fourth Proportional to 7,966.16, 11,949.26 and 2,419.55

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Solution

The fourth proportional to 7,966.16, 11,949.26 and 2,419.55 is: 3,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.16 : 11,949.26 = 2,419.55 : x
  2. Step 2: Convert to fraction form
    7,966.16/11,949.26 = 2,419.55/x
  3. Step 3: Cross multiply
    7,966.16x = 11,949.26 × 2,419.55
  4. Step 4: Simplify right side
    7,966.16x = 28,911,760.19
  5. Step 5: Solve for x
    x = 28,911,760.19/7,966.16
  6. Step 6: Final answer
    x = 3,629.32

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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.