Home / 4,745.10-7,119.69-1,973.79

Finding the Fourth Proportional to 4,745.10, 7,119.69 and 1,973.79

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Solution

The fourth proportional to 4,745.10, 7,119.69 and 1,973.79 is: 2,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.10 : 7,119.69 = 1,973.79 : x
  2. Step 2: Convert to fraction form
    4,745.10/7,119.69 = 1,973.79/x
  3. Step 3: Cross multiply
    4,745.10x = 7,119.69 × 1,973.79
  4. Step 4: Simplify right side
    4,745.10x = 14,052,772.93
  5. Step 5: Solve for x
    x = 14,052,772.93/4,745.10
  6. Step 6: Final answer
    x = 2,961.53

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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.