Home / 5,285.25-7,294.86-3,190.59

Finding the Fourth Proportional to 5,285.25, 7,294.86 and 3,190.59

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Solution

The fourth proportional to 5,285.25, 7,294.86 and 3,190.59 is: 4,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.25 : 7,294.86 = 3,190.59 : x
  2. Step 2: Convert to fraction form
    5,285.25/7,294.86 = 3,190.59/x
  3. Step 3: Cross multiply
    5,285.25x = 7,294.86 × 3,190.59
  4. Step 4: Simplify right side
    5,285.25x = 23,274,907.37
  5. Step 5: Solve for x
    x = 23,274,907.37/5,285.25
  6. Step 6: Final answer
    x = 4,403.75

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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.