Home / 7,078.29-10,608.23-2,913.56

Finding the Fourth Proportional to 7,078.29, 10,608.23 and 2,913.56

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Solution

The fourth proportional to 7,078.29, 10,608.23 and 2,913.56 is: 4,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.29 : 10,608.23 = 2,913.56 : x
  2. Step 2: Convert to fraction form
    7,078.29/10,608.23 = 2,913.56/x
  3. Step 3: Cross multiply
    7,078.29x = 10,608.23 × 2,913.56
  4. Step 4: Simplify right side
    7,078.29x = 30,907,646.99
  5. Step 5: Solve for x
    x = 30,907,646.99/7,078.29
  6. Step 6: Final answer
    x = 4,366.54

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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.