Home / 4,933-7,399.50-1,285

Finding the Fourth Proportional to 4,933, 7,399.50 and 1,285

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Solution

The fourth proportional to 4,933, 7,399.50 and 1,285 is: 1,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933 : 7,399.50 = 1,285 : x
  2. Step 2: Convert to fraction form
    4,933/7,399.50 = 1,285/x
  3. Step 3: Cross multiply
    4,933x = 7,399.50 × 1,285
  4. Step 4: Simplify right side
    4,933x = 9,508,357.50
  5. Step 5: Solve for x
    x = 9,508,357.50/4,933
  6. Step 6: Final answer
    x = 1,927.50

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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.