Home / 4,942.56-7,415.28-2,019.36

Finding the Fourth Proportional to 4,942.56, 7,415.28 and 2,019.36

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Solution

The fourth proportional to 4,942.56, 7,415.28 and 2,019.36 is: 3,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.56 : 7,415.28 = 2,019.36 : x
  2. Step 2: Convert to fraction form
    4,942.56/7,415.28 = 2,019.36/x
  3. Step 3: Cross multiply
    4,942.56x = 7,415.28 × 2,019.36
  4. Step 4: Simplify right side
    4,942.56x = 14,974,119.82
  5. Step 5: Solve for x
    x = 14,974,119.82/4,942.56
  6. Step 6: Final answer
    x = 3,029.63

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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.