Home / 6,138.37-9,210.66-3,018.25

Finding the Fourth Proportional to 6,138.37, 9,210.66 and 3,018.25

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Solution

The fourth proportional to 6,138.37, 9,210.66 and 3,018.25 is: 4,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.37 : 9,210.66 = 3,018.25 : x
  2. Step 2: Convert to fraction form
    6,138.37/9,210.66 = 3,018.25/x
  3. Step 3: Cross multiply
    6,138.37x = 9,210.66 × 3,018.25
  4. Step 4: Simplify right side
    6,138.37x = 27,800,074.55
  5. Step 5: Solve for x
    x = 27,800,074.55/6,138.37
  6. Step 6: Final answer
    x = 4,528.90

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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.