Home / 4,739.42-7,108.80-1,965.38

Finding the Fourth Proportional to 4,739.42, 7,108.80 and 1,965.38

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Solution

The fourth proportional to 4,739.42, 7,108.80 and 1,965.38 is: 2,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.42 : 7,108.80 = 1,965.38 : x
  2. Step 2: Convert to fraction form
    4,739.42/7,108.80 = 1,965.38/x
  3. Step 3: Cross multiply
    4,739.42x = 7,108.80 × 1,965.38
  4. Step 4: Simplify right side
    4,739.42x = 13,971,493.34
  5. Step 5: Solve for x
    x = 13,971,493.34/4,739.42
  6. Step 6: Final answer
    x = 2,947.93

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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.