Home / 5,188.97-7,161.40-2,951.19

Finding the Fourth Proportional to 5,188.97, 7,161.40 and 2,951.19

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Solution

The fourth proportional to 5,188.97, 7,161.40 and 2,951.19 is: 4,073.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.97 : 7,161.40 = 2,951.19 : x
  2. Step 2: Convert to fraction form
    5,188.97/7,161.40 = 2,951.19/x
  3. Step 3: Cross multiply
    5,188.97x = 7,161.40 × 2,951.19
  4. Step 4: Simplify right side
    5,188.97x = 21,134,652.07
  5. Step 5: Solve for x
    x = 21,134,652.07/5,188.97
  6. Step 6: Final answer
    x = 4,073.00

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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.