Home / 4,634.52-6,390.84-3,219.81

Finding the Fourth Proportional to 4,634.52, 6,390.84 and 3,219.81

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Solution

The fourth proportional to 4,634.52, 6,390.84 and 3,219.81 is: 4,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,634.52 : 6,390.84 = 3,219.81 : x
  2. Step 2: Convert to fraction form
    4,634.52/6,390.84 = 3,219.81/x
  3. Step 3: Cross multiply
    4,634.52x = 6,390.84 × 3,219.81
  4. Step 4: Simplify right side
    4,634.52x = 20,577,290.54
  5. Step 5: Solve for x
    x = 20,577,290.54/4,634.52
  6. Step 6: Final answer
    x = 4,440.00

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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.