Home / 4,986.40-7,464.84-3,693.64

Finding the Fourth Proportional to 4,986.40, 7,464.84 and 3,693.64

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Solution

The fourth proportional to 4,986.40, 7,464.84 and 3,693.64 is: 5,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.40 : 7,464.84 = 3,693.64 : x
  2. Step 2: Convert to fraction form
    4,986.40/7,464.84 = 3,693.64/x
  3. Step 3: Cross multiply
    4,986.40x = 7,464.84 × 3,693.64
  4. Step 4: Simplify right side
    4,986.40x = 27,572,431.62
  5. Step 5: Solve for x
    x = 27,572,431.62/4,986.40
  6. Step 6: Final answer
    x = 5,529.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.