Home / 5,273.57-7,910.39-2,678.33

Finding the Fourth Proportional to 5,273.57, 7,910.39 and 2,678.33

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Solution

The fourth proportional to 5,273.57, 7,910.39 and 2,678.33 is: 4,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.57 : 7,910.39 = 2,678.33 : x
  2. Step 2: Convert to fraction form
    5,273.57/7,910.39 = 2,678.33/x
  3. Step 3: Cross multiply
    5,273.57x = 7,910.39 × 2,678.33
  4. Step 4: Simplify right side
    5,273.57x = 21,186,661.32
  5. Step 5: Solve for x
    x = 21,186,661.32/5,273.57
  6. Step 6: Final answer
    x = 4,017.52

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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.