Home / 4,128.44-5,695.96-2,803.46

Finding the Fourth Proportional to 4,128.44, 5,695.96 and 2,803.46

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Solution

The fourth proportional to 4,128.44, 5,695.96 and 2,803.46 is: 3,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.44 : 5,695.96 = 2,803.46 : x
  2. Step 2: Convert to fraction form
    4,128.44/5,695.96 = 2,803.46/x
  3. Step 3: Cross multiply
    4,128.44x = 5,695.96 × 2,803.46
  4. Step 4: Simplify right side
    4,128.44x = 15,968,396.02
  5. Step 5: Solve for x
    x = 15,968,396.02/4,128.44
  6. Step 6: Final answer
    x = 3,867.90

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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.