Home / 5,406.08-8,109.95-2,286.09

Finding the Fourth Proportional to 5,406.08, 8,109.95 and 2,286.09

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Solution

The fourth proportional to 5,406.08, 8,109.95 and 2,286.09 is: 3,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.08 : 8,109.95 = 2,286.09 : x
  2. Step 2: Convert to fraction form
    5,406.08/8,109.95 = 2,286.09/x
  3. Step 3: Cross multiply
    5,406.08x = 8,109.95 × 2,286.09
  4. Step 4: Simplify right side
    5,406.08x = 18,540,075.60
  5. Step 5: Solve for x
    x = 18,540,075.60/5,406.08
  6. Step 6: Final answer
    x = 3,429.49

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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.