Home / 4,989.27-6,883.65-2,892.99

Finding the Fourth Proportional to 4,989.27, 6,883.65 and 2,892.99

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Solution

The fourth proportional to 4,989.27, 6,883.65 and 2,892.99 is: 3,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.27 : 6,883.65 = 2,892.99 : x
  2. Step 2: Convert to fraction form
    4,989.27/6,883.65 = 2,892.99/x
  3. Step 3: Cross multiply
    4,989.27x = 6,883.65 × 2,892.99
  4. Step 4: Simplify right side
    4,989.27x = 19,914,330.61
  5. Step 5: Solve for x
    x = 19,914,330.61/4,989.27
  6. Step 6: Final answer
    x = 3,991.43

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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.