Home / 7,759.83-11,639.78-2,829.47

Finding the Fourth Proportional to 7,759.83, 11,639.78 and 2,829.47

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Solution

The fourth proportional to 7,759.83, 11,639.78 and 2,829.47 is: 4,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.83 : 11,639.78 = 2,829.47 : x
  2. Step 2: Convert to fraction form
    7,759.83/11,639.78 = 2,829.47/x
  3. Step 3: Cross multiply
    7,759.83x = 11,639.78 × 2,829.47
  4. Step 4: Simplify right side
    7,759.83x = 32,934,335.97
  5. Step 5: Solve for x
    x = 32,934,335.97/7,759.83
  6. Step 6: Final answer
    x = 4,244.21

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1.5x scale

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.