Home / 4,431.07-6,644.57-1,309.96

Finding the Fourth Proportional to 4,431.07, 6,644.57 and 1,309.96

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Solution

The fourth proportional to 4,431.07, 6,644.57 and 1,309.96 is: 1,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.07 : 6,644.57 = 1,309.96 : x
  2. Step 2: Convert to fraction form
    4,431.07/6,644.57 = 1,309.96/x
  3. Step 3: Cross multiply
    4,431.07x = 6,644.57 × 1,309.96
  4. Step 4: Simplify right side
    4,431.07x = 8,704,118.86
  5. Step 5: Solve for x
    x = 8,704,118.86/4,431.07
  6. Step 6: Final answer
    x = 1,964.34

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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.