Home / 4,109.10-6,163.65-2,813.10

Finding the Fourth Proportional to 4,109.10, 6,163.65 and 2,813.10

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Solution

The fourth proportional to 4,109.10, 6,163.65 and 2,813.10 is: 4,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.10 : 6,163.65 = 2,813.10 : x
  2. Step 2: Convert to fraction form
    4,109.10/6,163.65 = 2,813.10/x
  3. Step 3: Cross multiply
    4,109.10x = 6,163.65 × 2,813.10
  4. Step 4: Simplify right side
    4,109.10x = 17,338,963.82
  5. Step 5: Solve for x
    x = 17,338,963.82/4,109.10
  6. Step 6: Final answer
    x = 4,219.65

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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.