Home / 4,114.36-6,171.54-1,380.28

Finding the Fourth Proportional to 4,114.36, 6,171.54 and 1,380.28

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Solution

The fourth proportional to 4,114.36, 6,171.54 and 1,380.28 is: 2,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.36 : 6,171.54 = 1,380.28 : x
  2. Step 2: Convert to fraction form
    4,114.36/6,171.54 = 1,380.28/x
  3. Step 3: Cross multiply
    4,114.36x = 6,171.54 × 1,380.28
  4. Step 4: Simplify right side
    4,114.36x = 8,518,453.23
  5. Step 5: Solve for x
    x = 8,518,453.23/4,114.36
  6. Step 6: Final answer
    x = 2,070.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.