Home / 7,050.15-9,728.19-3,906.33

Finding the Fourth Proportional to 7,050.15, 9,728.19 and 3,906.33

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Solution

The fourth proportional to 7,050.15, 9,728.19 and 3,906.33 is: 5,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.15 : 9,728.19 = 3,906.33 : x
  2. Step 2: Convert to fraction form
    7,050.15/9,728.19 = 3,906.33/x
  3. Step 3: Cross multiply
    7,050.15x = 9,728.19 × 3,906.33
  4. Step 4: Simplify right side
    7,050.15x = 38,001,520.44
  5. Step 5: Solve for x
    x = 38,001,520.44/7,050.15
  6. Step 6: Final answer
    x = 5,390.17

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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.