Home / 5,189.51-7,161.30-2,951.07

Finding the Fourth Proportional to 5,189.51, 7,161.30 and 2,951.07

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Solution

The fourth proportional to 5,189.51, 7,161.30 and 2,951.07 is: 4,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.51 : 7,161.30 = 2,951.07 : x
  2. Step 2: Convert to fraction form
    5,189.51/7,161.30 = 2,951.07/x
  3. Step 3: Cross multiply
    5,189.51x = 7,161.30 × 2,951.07
  4. Step 4: Simplify right side
    5,189.51x = 21,133,497.59
  5. Step 5: Solve for x
    x = 21,133,497.59/5,189.51
  6. Step 6: Final answer
    x = 4,072.35

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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.