Home / 6,619.18-9,930.30-2,922.46

Finding the Fourth Proportional to 6,619.18, 9,930.30 and 2,922.46

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Solution

The fourth proportional to 6,619.18, 9,930.30 and 2,922.46 is: 4,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.18 : 9,930.30 = 2,922.46 : x
  2. Step 2: Convert to fraction form
    6,619.18/9,930.30 = 2,922.46/x
  3. Step 3: Cross multiply
    6,619.18x = 9,930.30 × 2,922.46
  4. Step 4: Simplify right side
    6,619.18x = 29,020,904.54
  5. Step 5: Solve for x
    x = 29,020,904.54/6,619.18
  6. Step 6: Final answer
    x = 4,384.37

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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.