Home / 5,188.19-7,160.92-2,951.26

Finding the Fourth Proportional to 5,188.19, 7,160.92 and 2,951.26

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Solution

The fourth proportional to 5,188.19, 7,160.92 and 2,951.26 is: 4,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.19 : 7,160.92 = 2,951.26 : x
  2. Step 2: Convert to fraction form
    5,188.19/7,160.92 = 2,951.26/x
  3. Step 3: Cross multiply
    5,188.19x = 7,160.92 × 2,951.26
  4. Step 4: Simplify right side
    5,188.19x = 21,133,711.48
  5. Step 5: Solve for x
    x = 21,133,711.48/5,188.19
  6. Step 6: Final answer
    x = 4,073.43

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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.