Home / 5,697.00-7,860.91-3,805.55

Finding the Fourth Proportional to 5,697.00, 7,860.91 and 3,805.55

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Solution

The fourth proportional to 5,697.00, 7,860.91 and 3,805.55 is: 5,251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.00 : 7,860.91 = 3,805.55 : x
  2. Step 2: Convert to fraction form
    5,697.00/7,860.91 = 3,805.55/x
  3. Step 3: Cross multiply
    5,697.00x = 7,860.91 × 3,805.55
  4. Step 4: Simplify right side
    5,697.00x = 29,915,046.75
  5. Step 5: Solve for x
    x = 29,915,046.75/5,697.00
  6. Step 6: Final answer
    x = 5,251.02

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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.