Home / 4,122.82-6,182.51-1,783.95

Finding the Fourth Proportional to 4,122.82, 6,182.51 and 1,783.95

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Solution

The fourth proportional to 4,122.82, 6,182.51 and 1,783.95 is: 2,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.82 : 6,182.51 = 1,783.95 : x
  2. Step 2: Convert to fraction form
    4,122.82/6,182.51 = 1,783.95/x
  3. Step 3: Cross multiply
    4,122.82x = 6,182.51 × 1,783.95
  4. Step 4: Simplify right side
    4,122.82x = 11,029,288.71
  5. Step 5: Solve for x
    x = 11,029,288.71/4,122.82
  6. Step 6: Final answer
    x = 2,675.18

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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.