Home / 7,755.49-10,696.84-4,920.42

Finding the Fourth Proportional to 7,755.49, 10,696.84 and 4,920.42

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Solution

The fourth proportional to 7,755.49, 10,696.84 and 4,920.42 is: 6,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.49 : 10,696.84 = 4,920.42 : x
  2. Step 2: Convert to fraction form
    7,755.49/10,696.84 = 4,920.42/x
  3. Step 3: Cross multiply
    7,755.49x = 10,696.84 × 4,920.42
  4. Step 4: Simplify right side
    7,755.49x = 52,632,945.47
  5. Step 5: Solve for x
    x = 52,632,945.47/7,755.49
  6. Step 6: Final answer
    x = 6,786.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.