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Finding the Fourth Proportional to 6,283.86, 8,673.02 and 3,630.90

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Solution

The fourth proportional to 6,283.86, 8,673.02 and 3,630.90 is: 5,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.86 : 8,673.02 = 3,630.90 : x
  2. Step 2: Convert to fraction form
    6,283.86/8,673.02 = 3,630.90/x
  3. Step 3: Cross multiply
    6,283.86x = 8,673.02 × 3,630.90
  4. Step 4: Simplify right side
    6,283.86x = 31,490,850.16
  5. Step 5: Solve for x
    x = 31,490,850.16/6,283.86
  6. Step 6: Final answer
    x = 5,011.39

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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.