Home / 3,964.75-5,459.13-3,521.88

Finding the Fourth Proportional to 3,964.75, 5,459.13 and 3,521.88

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Solution

The fourth proportional to 3,964.75, 5,459.13 and 3,521.88 is: 4,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.75 : 5,459.13 = 3,521.88 : x
  2. Step 2: Convert to fraction form
    3,964.75/5,459.13 = 3,521.88/x
  3. Step 3: Cross multiply
    3,964.75x = 5,459.13 × 3,521.88
  4. Step 4: Simplify right side
    3,964.75x = 19,226,400.76
  5. Step 5: Solve for x
    x = 19,226,400.76/3,964.75
  6. Step 6: Final answer
    x = 4,849.33

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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.