Home / 4,430.55-6,647.11-1,965.91

Finding the Fourth Proportional to 4,430.55, 6,647.11 and 1,965.91

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Solution

The fourth proportional to 4,430.55, 6,647.11 and 1,965.91 is: 2,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.55 : 6,647.11 = 1,965.91 : x
  2. Step 2: Convert to fraction form
    4,430.55/6,647.11 = 1,965.91/x
  3. Step 3: Cross multiply
    4,430.55x = 6,647.11 × 1,965.91
  4. Step 4: Simplify right side
    4,430.55x = 13,067,612.66
  5. Step 5: Solve for x
    x = 13,067,612.66/4,430.55
  6. Step 6: Final answer
    x = 2,949.43

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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.