Home / 4,188.02-5,772.21-3,138.26

Finding the Fourth Proportional to 4,188.02, 5,772.21 and 3,138.26

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Solution

The fourth proportional to 4,188.02, 5,772.21 and 3,138.26 is: 4,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.02 : 5,772.21 = 3,138.26 : x
  2. Step 2: Convert to fraction form
    4,188.02/5,772.21 = 3,138.26/x
  3. Step 3: Cross multiply
    4,188.02x = 5,772.21 × 3,138.26
  4. Step 4: Simplify right side
    4,188.02x = 18,114,695.75
  5. Step 5: Solve for x
    x = 18,114,695.75/4,188.02
  6. Step 6: Final answer
    x = 4,325.36

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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.