Home / 9,220.60-12,724.44-5,028.92

Finding the Fourth Proportional to 9,220.60, 12,724.44 and 5,028.92

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Solution

The fourth proportional to 9,220.60, 12,724.44 and 5,028.92 is: 6,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.60 : 12,724.44 = 5,028.92 : x
  2. Step 2: Convert to fraction form
    9,220.60/12,724.44 = 5,028.92/x
  3. Step 3: Cross multiply
    9,220.60x = 12,724.44 × 5,028.92
  4. Step 4: Simplify right side
    9,220.60x = 63,990,190.80
  5. Step 5: Solve for x
    x = 63,990,190.80/9,220.60
  6. Step 6: Final answer
    x = 6,939.92

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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.