Home / 9,270.78-12,793.60-5,021.75

Finding the Fourth Proportional to 9,270.78, 12,793.60 and 5,021.75

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Solution

The fourth proportional to 9,270.78, 12,793.60 and 5,021.75 is: 6,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.78 : 12,793.60 = 5,021.75 : x
  2. Step 2: Convert to fraction form
    9,270.78/12,793.60 = 5,021.75/x
  3. Step 3: Cross multiply
    9,270.78x = 12,793.60 × 5,021.75
  4. Step 4: Simplify right side
    9,270.78x = 64,246,260.80
  5. Step 5: Solve for x
    x = 64,246,260.80/9,270.78
  6. Step 6: Final answer
    x = 6,929.97

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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.