Home / 7,629.88-10,532.46-5,149.24

Finding the Fourth Proportional to 7,629.88, 10,532.46 and 5,149.24

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Solution

The fourth proportional to 7,629.88, 10,532.46 and 5,149.24 is: 7,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.88 : 10,532.46 = 5,149.24 : x
  2. Step 2: Convert to fraction form
    7,629.88/10,532.46 = 5,149.24/x
  3. Step 3: Cross multiply
    7,629.88x = 10,532.46 × 5,149.24
  4. Step 4: Simplify right side
    7,629.88x = 54,234,164.33
  5. Step 5: Solve for x
    x = 54,234,164.33/7,629.88
  6. Step 6: Final answer
    x = 7,108.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.