Home / 7,284.03-10,876.62-5,786.39

Finding the Fourth Proportional to 7,284.03, 10,876.62 and 5,786.39

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Solution

The fourth proportional to 7,284.03, 10,876.62 and 5,786.39 is: 8,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.03 : 10,876.62 = 5,786.39 : x
  2. Step 2: Convert to fraction form
    7,284.03/10,876.62 = 5,786.39/x
  3. Step 3: Cross multiply
    7,284.03x = 10,876.62 × 5,786.39
  4. Step 4: Simplify right side
    7,284.03x = 62,936,365.20
  5. Step 5: Solve for x
    x = 62,936,365.20/7,284.03
  6. Step 6: Final answer
    x = 8,640.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.