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Finding the Fourth Proportional to 4,816.69, 6,648.69 and 2,827.87

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Solution

The fourth proportional to 4,816.69, 6,648.69 and 2,827.87 is: 3,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.69 : 6,648.69 = 2,827.87 : x
  2. Step 2: Convert to fraction form
    4,816.69/6,648.69 = 2,827.87/x
  3. Step 3: Cross multiply
    4,816.69x = 6,648.69 × 2,827.87
  4. Step 4: Simplify right side
    4,816.69x = 18,801,630.99
  5. Step 5: Solve for x
    x = 18,801,630.99/4,816.69
  6. Step 6: Final answer
    x = 3,903.43

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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.