Home / 7,278.92-10,918.39-2,349.06

Finding the Fourth Proportional to 7,278.92, 10,918.39 and 2,349.06

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Solution

The fourth proportional to 7,278.92, 10,918.39 and 2,349.06 is: 3,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.92 : 10,918.39 = 2,349.06 : x
  2. Step 2: Convert to fraction form
    7,278.92/10,918.39 = 2,349.06/x
  3. Step 3: Cross multiply
    7,278.92x = 10,918.39 × 2,349.06
  4. Step 4: Simplify right side
    7,278.92x = 25,647,953.21
  5. Step 5: Solve for x
    x = 25,647,953.21/7,278.92
  6. Step 6: Final answer
    x = 3,523.59

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1.5x scale

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.