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Finding the Fourth Proportional to 4,892.88, 6,752.06 and 2,796.88

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Solution

The fourth proportional to 4,892.88, 6,752.06 and 2,796.88 is: 3,859.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.88 : 6,752.06 = 2,796.88 : x
  2. Step 2: Convert to fraction form
    4,892.88/6,752.06 = 2,796.88/x
  3. Step 3: Cross multiply
    4,892.88x = 6,752.06 × 2,796.88
  4. Step 4: Simplify right side
    4,892.88x = 18,884,701.57
  5. Step 5: Solve for x
    x = 18,884,701.57/4,892.88
  6. Step 6: Final answer
    x = 3,859.63

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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.