Home / 5,086.36-7,629.50-3,020.68

Finding the Fourth Proportional to 5,086.36, 7,629.50 and 3,020.68

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Solution

The fourth proportional to 5,086.36, 7,629.50 and 3,020.68 is: 4,531.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.36 : 7,629.50 = 3,020.68 : x
  2. Step 2: Convert to fraction form
    5,086.36/7,629.50 = 3,020.68/x
  3. Step 3: Cross multiply
    5,086.36x = 7,629.50 × 3,020.68
  4. Step 4: Simplify right side
    5,086.36x = 23,046,278.06
  5. Step 5: Solve for x
    x = 23,046,278.06/5,086.36
  6. Step 6: Final answer
    x = 4,531.00

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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.