Home / 4,605.82-6,909.55-2,143.42

Finding the Fourth Proportional to 4,605.82, 6,909.55 and 2,143.42

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Solution

The fourth proportional to 4,605.82, 6,909.55 and 2,143.42 is: 3,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.82 : 6,909.55 = 2,143.42 : x
  2. Step 2: Convert to fraction form
    4,605.82/6,909.55 = 2,143.42/x
  3. Step 3: Cross multiply
    4,605.82x = 6,909.55 × 2,143.42
  4. Step 4: Simplify right side
    4,605.82x = 14,810,067.66
  5. Step 5: Solve for x
    x = 14,810,067.66/4,605.82
  6. Step 6: Final answer
    x = 3,215.51

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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.