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Finding the Fourth Proportional to 6,284.99, 8,672.87 and 3,451.82

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Solution

The fourth proportional to 6,284.99, 8,672.87 and 3,451.82 is: 4,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.99 : 8,672.87 = 3,451.82 : x
  2. Step 2: Convert to fraction form
    6,284.99/8,672.87 = 3,451.82/x
  3. Step 3: Cross multiply
    6,284.99x = 8,672.87 × 3,451.82
  4. Step 4: Simplify right side
    6,284.99x = 29,937,151.39
  5. Step 5: Solve for x
    x = 29,937,151.39/6,284.99
  6. Step 6: Final answer
    x = 4,763.28

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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.