Home / 7,629.66-11,429.91-5,160.24

Finding the Fourth Proportional to 7,629.66, 11,429.91 and 5,160.24

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Solution

The fourth proportional to 7,629.66, 11,429.91 and 5,160.24 is: 7,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.66 : 11,429.91 = 5,160.24 : x
  2. Step 2: Convert to fraction form
    7,629.66/11,429.91 = 5,160.24/x
  3. Step 3: Cross multiply
    7,629.66x = 11,429.91 × 5,160.24
  4. Step 4: Simplify right side
    7,629.66x = 58,981,078.78
  5. Step 5: Solve for x
    x = 58,981,078.78/7,629.66
  6. Step 6: Final answer
    x = 7,730.50

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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.