Home / 4,710.45-7,067.21-1,938.43

Finding the Fourth Proportional to 4,710.45, 7,067.21 and 1,938.43

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Solution

The fourth proportional to 4,710.45, 7,067.21 and 1,938.43 is: 2,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.45 : 7,067.21 = 1,938.43 : x
  2. Step 2: Convert to fraction form
    4,710.45/7,067.21 = 1,938.43/x
  3. Step 3: Cross multiply
    4,710.45x = 7,067.21 × 1,938.43
  4. Step 4: Simplify right side
    4,710.45x = 13,699,291.88
  5. Step 5: Solve for x
    x = 13,699,291.88/4,710.45
  6. Step 6: Final answer
    x = 2,908.28

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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.