Home / 5,222.71-7,207.67-2,954.61

Finding the Fourth Proportional to 5,222.71, 7,207.67 and 2,954.61

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Solution

The fourth proportional to 5,222.71, 7,207.67 and 2,954.61 is: 4,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.71 : 7,207.67 = 2,954.61 : x
  2. Step 2: Convert to fraction form
    5,222.71/7,207.67 = 2,954.61/x
  3. Step 3: Cross multiply
    5,222.71x = 7,207.67 × 2,954.61
  4. Step 4: Simplify right side
    5,222.71x = 21,295,853.86
  5. Step 5: Solve for x
    x = 21,295,853.86/5,222.71
  6. Step 6: Final answer
    x = 4,077.55

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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.