Home / 7,290.92-10,067.82-5,716.28

Finding the Fourth Proportional to 7,290.92, 10,067.82 and 5,716.28

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Solution

The fourth proportional to 7,290.92, 10,067.82 and 5,716.28 is: 7,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.92 : 10,067.82 = 5,716.28 : x
  2. Step 2: Convert to fraction form
    7,290.92/10,067.82 = 5,716.28/x
  3. Step 3: Cross multiply
    7,290.92x = 10,067.82 × 5,716.28
  4. Step 4: Simplify right side
    7,290.92x = 57,550,478.11
  5. Step 5: Solve for x
    x = 57,550,478.11/7,290.92
  6. Step 6: Final answer
    x = 7,893.45

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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.