Home / 7,195.06-9,929.39-4,211.02

Finding the Fourth Proportional to 7,195.06, 9,929.39 and 4,211.02

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Solution

The fourth proportional to 7,195.06, 9,929.39 and 4,211.02 is: 5,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.06 : 9,929.39 = 4,211.02 : x
  2. Step 2: Convert to fraction form
    7,195.06/9,929.39 = 4,211.02/x
  3. Step 3: Cross multiply
    7,195.06x = 9,929.39 × 4,211.02
  4. Step 4: Simplify right side
    7,195.06x = 41,812,851.23
  5. Step 5: Solve for x
    x = 41,812,851.23/7,195.06
  6. Step 6: Final answer
    x = 5,811.33

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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.