Home / 4,253.39-6,379.17-1,331.31

Finding the Fourth Proportional to 4,253.39, 6,379.17 and 1,331.31

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Solution

The fourth proportional to 4,253.39, 6,379.17 and 1,331.31 is: 1,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.39 : 6,379.17 = 1,331.31 : x
  2. Step 2: Convert to fraction form
    4,253.39/6,379.17 = 1,331.31/x
  3. Step 3: Cross multiply
    4,253.39x = 6,379.17 × 1,331.31
  4. Step 4: Simplify right side
    4,253.39x = 8,492,652.81
  5. Step 5: Solve for x
    x = 8,492,652.81/4,253.39
  6. Step 6: Final answer
    x = 1,996.68

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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.