Home / 3,964.30-5,458.28-3,365.55

Finding the Fourth Proportional to 3,964.30, 5,458.28 and 3,365.55

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Solution

The fourth proportional to 3,964.30, 5,458.28 and 3,365.55 is: 4,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.30 : 5,458.28 = 3,365.55 : x
  2. Step 2: Convert to fraction form
    3,964.30/5,458.28 = 3,365.55/x
  3. Step 3: Cross multiply
    3,964.30x = 5,458.28 × 3,365.55
  4. Step 4: Simplify right side
    3,964.30x = 18,370,122.67
  5. Step 5: Solve for x
    x = 18,370,122.67/3,964.30
  6. Step 6: Final answer
    x = 4,633.89

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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.