Home / 4,421.75-6,632.82-4,208.95

Finding the Fourth Proportional to 4,421.75, 6,632.82 and 4,208.95

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Solution

The fourth proportional to 4,421.75, 6,632.82 and 4,208.95 is: 6,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.75 : 6,632.82 = 4,208.95 : x
  2. Step 2: Convert to fraction form
    4,421.75/6,632.82 = 4,208.95/x
  3. Step 3: Cross multiply
    4,421.75x = 6,632.82 × 4,208.95
  4. Step 4: Simplify right side
    4,421.75x = 27,917,216.03
  5. Step 5: Solve for x
    x = 27,917,216.03/4,421.75
  6. Step 6: Final answer
    x = 6,313.62

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1.5x scale

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.