Home / 6,431.67-8,874.30-4,072.44

Finding the Fourth Proportional to 6,431.67, 8,874.30 and 4,072.44

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Solution

The fourth proportional to 6,431.67, 8,874.30 and 4,072.44 is: 5,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.67 : 8,874.30 = 4,072.44 : x
  2. Step 2: Convert to fraction form
    6,431.67/8,874.30 = 4,072.44/x
  3. Step 3: Cross multiply
    6,431.67x = 8,874.30 × 4,072.44
  4. Step 4: Simplify right side
    6,431.67x = 36,140,054.29
  5. Step 5: Solve for x
    x = 36,140,054.29/6,431.67
  6. Step 6: Final answer
    x = 5,619.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.