Home / 4,252.39-6,378.41-1,479.69

Finding the Fourth Proportional to 4,252.39, 6,378.41 and 1,479.69

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Solution

The fourth proportional to 4,252.39, 6,378.41 and 1,479.69 is: 2,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.39 : 6,378.41 = 1,479.69 : x
  2. Step 2: Convert to fraction form
    4,252.39/6,378.41 = 1,479.69/x
  3. Step 3: Cross multiply
    4,252.39x = 6,378.41 × 1,479.69
  4. Step 4: Simplify right side
    4,252.39x = 9,438,069.49
  5. Step 5: Solve for x
    x = 9,438,069.49/4,252.39
  6. Step 6: Final answer
    x = 2,219.47

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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.