Home / 9,212.26-12,712.80-5,020.60

Finding the Fourth Proportional to 9,212.26, 12,712.80 and 5,020.60

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Solution

The fourth proportional to 9,212.26, 12,712.80 and 5,020.60 is: 6,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.26 : 12,712.80 = 5,020.60 : x
  2. Step 2: Convert to fraction form
    9,212.26/12,712.80 = 5,020.60/x
  3. Step 3: Cross multiply
    9,212.26x = 12,712.80 × 5,020.60
  4. Step 4: Simplify right side
    9,212.26x = 63,825,883.68
  5. Step 5: Solve for x
    x = 63,825,883.68/9,212.26
  6. Step 6: Final answer
    x = 6,928.36

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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.