Home / 7,820.13-10,791.68-4,283.26

Finding the Fourth Proportional to 7,820.13, 10,791.68 and 4,283.26

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Solution

The fourth proportional to 7,820.13, 10,791.68 and 4,283.26 is: 5,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.13 : 10,791.68 = 4,283.26 : x
  2. Step 2: Convert to fraction form
    7,820.13/10,791.68 = 4,283.26/x
  3. Step 3: Cross multiply
    7,820.13x = 10,791.68 × 4,283.26
  4. Step 4: Simplify right side
    7,820.13x = 46,223,571.28
  5. Step 5: Solve for x
    x = 46,223,571.28/7,820.13
  6. Step 6: Final answer
    x = 5,910.84

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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.