Home / 4,253.03-6,379.64-1,331.42

Finding the Fourth Proportional to 4,253.03, 6,379.64 and 1,331.42

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Solution

The fourth proportional to 4,253.03, 6,379.64 and 1,331.42 is: 1,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.03 : 6,379.64 = 1,331.42 : x
  2. Step 2: Convert to fraction form
    4,253.03/6,379.64 = 1,331.42/x
  3. Step 3: Cross multiply
    4,253.03x = 6,379.64 × 1,331.42
  4. Step 4: Simplify right side
    4,253.03x = 8,493,973.63
  5. Step 5: Solve for x
    x = 8,493,973.63/4,253.03
  6. Step 6: Final answer
    x = 1,997.16

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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.