Home / 4,989.08-6,884.46-2,892.92

Finding the Fourth Proportional to 4,989.08, 6,884.46 and 2,892.92

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Solution

The fourth proportional to 4,989.08, 6,884.46 and 2,892.92 is: 3,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.08 : 6,884.46 = 2,892.92 : x
  2. Step 2: Convert to fraction form
    4,989.08/6,884.46 = 2,892.92/x
  3. Step 3: Cross multiply
    4,989.08x = 6,884.46 × 2,892.92
  4. Step 4: Simplify right side
    4,989.08x = 19,916,192.02
  5. Step 5: Solve for x
    x = 19,916,192.02/4,989.08
  6. Step 6: Final answer
    x = 3,991.96

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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.