Home / 7,384.56-11,078.29-2,388.18

Finding the Fourth Proportional to 7,384.56, 11,078.29 and 2,388.18

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Solution

The fourth proportional to 7,384.56, 11,078.29 and 2,388.18 is: 3,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.56 : 11,078.29 = 2,388.18 : x
  2. Step 2: Convert to fraction form
    7,384.56/11,078.29 = 2,388.18/x
  3. Step 3: Cross multiply
    7,384.56x = 11,078.29 × 2,388.18
  4. Step 4: Simplify right side
    7,384.56x = 26,456,924.43
  5. Step 5: Solve for x
    x = 26,456,924.43/7,384.56
  6. Step 6: Final answer
    x = 3,582.73

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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.