Home / 5,277.78-7,284.24-3,039.26

Finding the Fourth Proportional to 5,277.78, 7,284.24 and 3,039.26

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Solution

The fourth proportional to 5,277.78, 7,284.24 and 3,039.26 is: 4,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.78 : 7,284.24 = 3,039.26 : x
  2. Step 2: Convert to fraction form
    5,277.78/7,284.24 = 3,039.26/x
  3. Step 3: Cross multiply
    5,277.78x = 7,284.24 × 3,039.26
  4. Step 4: Simplify right side
    5,277.78x = 22,138,662.84
  5. Step 5: Solve for x
    x = 22,138,662.84/5,277.78
  6. Step 6: Final answer
    x = 4,194.69

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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.