Home / 4,140.37-6,208.60-1,218.09

Finding the Fourth Proportional to 4,140.37, 6,208.60 and 1,218.09

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Solution

The fourth proportional to 4,140.37, 6,208.60 and 1,218.09 is: 1,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.37 : 6,208.60 = 1,218.09 : x
  2. Step 2: Convert to fraction form
    4,140.37/6,208.60 = 1,218.09/x
  3. Step 3: Cross multiply
    4,140.37x = 6,208.60 × 1,218.09
  4. Step 4: Simplify right side
    4,140.37x = 7,562,621.17
  5. Step 5: Solve for x
    x = 7,562,621.17/4,140.37
  6. Step 6: Final answer
    x = 1,826.56

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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.