Home / 5,086.92-7,020.54-3,071.64

Finding the Fourth Proportional to 5,086.92, 7,020.54 and 3,071.64

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Solution

The fourth proportional to 5,086.92, 7,020.54 and 3,071.64 is: 4,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.92 : 7,020.54 = 3,071.64 : x
  2. Step 2: Convert to fraction form
    5,086.92/7,020.54 = 3,071.64/x
  3. Step 3: Cross multiply
    5,086.92x = 7,020.54 × 3,071.64
  4. Step 4: Simplify right side
    5,086.92x = 21,564,571.49
  5. Step 5: Solve for x
    x = 21,564,571.49/5,086.92
  6. Step 6: Final answer
    x = 4,239.22

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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.