Home / 7,418.84-11,112.25-6,982.65

Finding the Fourth Proportional to 7,418.84, 11,112.25 and 6,982.65

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Solution

The fourth proportional to 7,418.84, 11,112.25 and 6,982.65 is: 10,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.84 : 11,112.25 = 6,982.65 : x
  2. Step 2: Convert to fraction form
    7,418.84/11,112.25 = 6,982.65/x
  3. Step 3: Cross multiply
    7,418.84x = 11,112.25 × 6,982.65
  4. Step 4: Simplify right side
    7,418.84x = 77,592,969.92
  5. Step 5: Solve for x
    x = 77,592,969.92/7,418.84
  6. Step 6: Final answer
    x = 10,458.92

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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.