Home / 4,722.39-7,081.16-1,948.55

Finding the Fourth Proportional to 4,722.39, 7,081.16 and 1,948.55

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Solution

The fourth proportional to 4,722.39, 7,081.16 and 1,948.55 is: 2,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.39 : 7,081.16 = 1,948.55 : x
  2. Step 2: Convert to fraction form
    4,722.39/7,081.16 = 1,948.55/x
  3. Step 3: Cross multiply
    4,722.39x = 7,081.16 × 1,948.55
  4. Step 4: Simplify right side
    4,722.39x = 13,797,949.17
  5. Step 5: Solve for x
    x = 13,797,949.17/4,722.39
  6. Step 6: Final answer
    x = 2,921.81

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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.