Home / 7,286.73-10,929.63-2,355.95

Finding the Fourth Proportional to 7,286.73, 10,929.63 and 2,355.95

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Solution

The fourth proportional to 7,286.73, 10,929.63 and 2,355.95 is: 3,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.73 : 10,929.63 = 2,355.95 : x
  2. Step 2: Convert to fraction form
    7,286.73/10,929.63 = 2,355.95/x
  3. Step 3: Cross multiply
    7,286.73x = 10,929.63 × 2,355.95
  4. Step 4: Simplify right side
    7,286.73x = 25,749,697.96
  5. Step 5: Solve for x
    x = 25,749,697.96/7,286.73
  6. Step 6: Final answer
    x = 3,533.78

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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.