Home / 7,285.78-10,930.29-2,091.26

Finding the Fourth Proportional to 7,285.78, 10,930.29 and 2,091.26

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Solution

The fourth proportional to 7,285.78, 10,930.29 and 2,091.26 is: 3,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.78 : 10,930.29 = 2,091.26 : x
  2. Step 2: Convert to fraction form
    7,285.78/10,930.29 = 2,091.26/x
  3. Step 3: Cross multiply
    7,285.78x = 10,930.29 × 2,091.26
  4. Step 4: Simplify right side
    7,285.78x = 22,858,078.27
  5. Step 5: Solve for x
    x = 22,858,078.27/7,285.78
  6. Step 6: Final answer
    x = 3,137.35

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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.