Home / 4,805.91-7,207.62-2,172.39

Finding the Fourth Proportional to 4,805.91, 7,207.62 and 2,172.39

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Solution

The fourth proportional to 4,805.91, 7,207.62 and 2,172.39 is: 3,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.91 : 7,207.62 = 2,172.39 : x
  2. Step 2: Convert to fraction form
    4,805.91/7,207.62 = 2,172.39/x
  3. Step 3: Cross multiply
    4,805.91x = 7,207.62 × 2,172.39
  4. Step 4: Simplify right side
    4,805.91x = 15,657,761.61
  5. Step 5: Solve for x
    x = 15,657,761.61/4,805.91
  6. Step 6: Final answer
    x = 3,258.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.