Home / 4,831-7,246.78-1,368.52

Finding the Fourth Proportional to 4,831, 7,246.78 and 1,368.52

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Solution

The fourth proportional to 4,831, 7,246.78 and 1,368.52 is: 2,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831 : 7,246.78 = 1,368.52 : x
  2. Step 2: Convert to fraction form
    4,831/7,246.78 = 1,368.52/x
  3. Step 3: Cross multiply
    4,831x = 7,246.78 × 1,368.52
  4. Step 4: Simplify right side
    4,831x = 9,917,363.37
  5. Step 5: Solve for x
    x = 9,917,363.37/4,831
  6. Step 6: Final answer
    x = 2,052.86

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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.