Home / 4,245.21-6,369.03-2,163.51

Finding the Fourth Proportional to 4,245.21, 6,369.03 and 2,163.51

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Solution

The fourth proportional to 4,245.21, 6,369.03 and 2,163.51 is: 3,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.21 : 6,369.03 = 2,163.51 : x
  2. Step 2: Convert to fraction form
    4,245.21/6,369.03 = 2,163.51/x
  3. Step 3: Cross multiply
    4,245.21x = 6,369.03 × 2,163.51
  4. Step 4: Simplify right side
    4,245.21x = 13,779,460.10
  5. Step 5: Solve for x
    x = 13,779,460.10/4,245.21
  6. Step 6: Final answer
    x = 3,245.88

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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.