Home / 5,086.59-7,629.89-1,623.75

Finding the Fourth Proportional to 5,086.59, 7,629.89 and 1,623.75

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Solution

The fourth proportional to 5,086.59, 7,629.89 and 1,623.75 is: 2,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.59 : 7,629.89 = 1,623.75 : x
  2. Step 2: Convert to fraction form
    5,086.59/7,629.89 = 1,623.75/x
  3. Step 3: Cross multiply
    5,086.59x = 7,629.89 × 1,623.75
  4. Step 4: Simplify right side
    5,086.59x = 12,389,025.77
  5. Step 5: Solve for x
    x = 12,389,025.77/5,086.59
  6. Step 6: Final answer
    x = 2,435.63

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Similar ratio
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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.