Home / 4,140.12-6,205.86-1,676.64

Finding the Fourth Proportional to 4,140.12, 6,205.86 and 1,676.64

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Solution

The fourth proportional to 4,140.12, 6,205.86 and 1,676.64 is: 2,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.12 : 6,205.86 = 1,676.64 : x
  2. Step 2: Convert to fraction form
    4,140.12/6,205.86 = 1,676.64/x
  3. Step 3: Cross multiply
    4,140.12x = 6,205.86 × 1,676.64
  4. Step 4: Simplify right side
    4,140.12x = 10,404,993.11
  5. Step 5: Solve for x
    x = 10,404,993.11/4,140.12
  6. Step 6: Final answer
    x = 2,513.21

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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.