Home / 9,212.54-13,809.86-3,948.92

Finding the Fourth Proportional to 9,212.54, 13,809.86 and 3,948.92

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Solution

The fourth proportional to 9,212.54, 13,809.86 and 3,948.92 is: 5,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.54 : 13,809.86 = 3,948.92 : x
  2. Step 2: Convert to fraction form
    9,212.54/13,809.86 = 3,948.92/x
  3. Step 3: Cross multiply
    9,212.54x = 13,809.86 × 3,948.92
  4. Step 4: Simplify right side
    9,212.54x = 54,533,943.56
  5. Step 5: Solve for x
    x = 54,533,943.56/9,212.54
  6. Step 6: Final answer
    x = 5,919.54

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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.