Home / 4,431.08-6,642.84-1,964.56

Finding the Fourth Proportional to 4,431.08, 6,642.84 and 1,964.56

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Solution

The fourth proportional to 4,431.08, 6,642.84 and 1,964.56 is: 2,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.08 : 6,642.84 = 1,964.56 : x
  2. Step 2: Convert to fraction form
    4,431.08/6,642.84 = 1,964.56/x
  3. Step 3: Cross multiply
    4,431.08x = 6,642.84 × 1,964.56
  4. Step 4: Simplify right side
    4,431.08x = 13,050,257.75
  5. Step 5: Solve for x
    x = 13,050,257.75/4,431.08
  6. Step 6: Final answer
    x = 2,945.16

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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.