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Finding the Fourth Proportional to 6,282.99, 8,672.09 and 3,630.02

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Solution

The fourth proportional to 6,282.99, 8,672.09 and 3,630.02 is: 5,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282.99 : 8,672.09 = 3,630.02 : x
  2. Step 2: Convert to fraction form
    6,282.99/8,672.09 = 3,630.02/x
  3. Step 3: Cross multiply
    6,282.99x = 8,672.09 × 3,630.02
  4. Step 4: Simplify right side
    6,282.99x = 31,479,798.63
  5. Step 5: Solve for x
    x = 31,479,798.63/6,282.99
  6. Step 6: Final answer
    x = 5,010.32

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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.