Home / 4,077.40-5,622.96-2,816.44

Finding the Fourth Proportional to 4,077.40, 5,622.96 and 2,816.44

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Solution

The fourth proportional to 4,077.40, 5,622.96 and 2,816.44 is: 3,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.40 : 5,622.96 = 2,816.44 : x
  2. Step 2: Convert to fraction form
    4,077.40/5,622.96 = 2,816.44/x
  3. Step 3: Cross multiply
    4,077.40x = 5,622.96 × 2,816.44
  4. Step 4: Simplify right side
    4,077.40x = 15,836,729.46
  5. Step 5: Solve for x
    x = 15,836,729.46/4,077.40
  6. Step 6: Final answer
    x = 3,884.03

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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.