Home / 4,163.51-6,245.69-1,389.44

Finding the Fourth Proportional to 4,163.51, 6,245.69 and 1,389.44

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Solution

The fourth proportional to 4,163.51, 6,245.69 and 1,389.44 is: 2,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.51 : 6,245.69 = 1,389.44 : x
  2. Step 2: Convert to fraction form
    4,163.51/6,245.69 = 1,389.44/x
  3. Step 3: Cross multiply
    4,163.51x = 6,245.69 × 1,389.44
  4. Step 4: Simplify right side
    4,163.51x = 8,678,011.51
  5. Step 5: Solve for x
    x = 8,678,011.51/4,163.51
  6. Step 6: Final answer
    x = 2,084.30

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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.