Home / 8,629.50-11,908.71-5,092.80

Finding the Fourth Proportional to 8,629.50, 11,908.71 and 5,092.80

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Solution

The fourth proportional to 8,629.50, 11,908.71 and 5,092.80 is: 7,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.50 : 11,908.71 = 5,092.80 : x
  2. Step 2: Convert to fraction form
    8,629.50/11,908.71 = 5,092.80/x
  3. Step 3: Cross multiply
    8,629.50x = 11,908.71 × 5,092.80
  4. Step 4: Simplify right side
    8,629.50x = 60,648,678.29
  5. Step 5: Solve for x
    x = 60,648,678.29/8,629.50
  6. Step 6: Final answer
    x = 7,028.06

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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.