Home / 6,284.45-8,672.16-3,631.30

Finding the Fourth Proportional to 6,284.45, 8,672.16 and 3,631.30

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Solution

The fourth proportional to 6,284.45, 8,672.16 and 3,631.30 is: 5,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.45 : 8,672.16 = 3,631.30 : x
  2. Step 2: Convert to fraction form
    6,284.45/8,672.16 = 3,631.30/x
  3. Step 3: Cross multiply
    6,284.45x = 8,672.16 × 3,631.30
  4. Step 4: Simplify right side
    6,284.45x = 31,491,206.54
  5. Step 5: Solve for x
    x = 31,491,206.54/6,284.45
  6. Step 6: Final answer
    x = 5,010.97

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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.