Home / 4,108.40-6,163.68-1,186.64

Finding the Fourth Proportional to 4,108.40, 6,163.68 and 1,186.64

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Solution

The fourth proportional to 4,108.40, 6,163.68 and 1,186.64 is: 1,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.40 : 6,163.68 = 1,186.64 : x
  2. Step 2: Convert to fraction form
    4,108.40/6,163.68 = 1,186.64/x
  3. Step 3: Cross multiply
    4,108.40x = 6,163.68 × 1,186.64
  4. Step 4: Simplify right side
    4,108.40x = 7,314,069.24
  5. Step 5: Solve for x
    x = 7,314,069.24/4,108.40
  6. Step 6: Final answer
    x = 1,780.27

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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.