Home / 4,789.19-7,175.93-2,936.39

Finding the Fourth Proportional to 4,789.19, 7,175.93 and 2,936.39

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Solution

The fourth proportional to 4,789.19, 7,175.93 and 2,936.39 is: 4,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.19 : 7,175.93 = 2,936.39 : x
  2. Step 2: Convert to fraction form
    4,789.19/7,175.93 = 2,936.39/x
  3. Step 3: Cross multiply
    4,789.19x = 7,175.93 × 2,936.39
  4. Step 4: Simplify right side
    4,789.19x = 21,071,278.53
  5. Step 5: Solve for x
    x = 21,071,278.53/4,789.19
  6. Step 6: Final answer
    x = 4,399.76

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1.5x scale

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.