Home / 4,186.24-6,278.80-1,108.48

Finding the Fourth Proportional to 4,186.24, 6,278.80 and 1,108.48

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Solution

The fourth proportional to 4,186.24, 6,278.80 and 1,108.48 is: 1,662.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.24 : 6,278.80 = 1,108.48 : x
  2. Step 2: Convert to fraction form
    4,186.24/6,278.80 = 1,108.48/x
  3. Step 3: Cross multiply
    4,186.24x = 6,278.80 × 1,108.48
  4. Step 4: Simplify right side
    4,186.24x = 6,959,924.22
  5. Step 5: Solve for x
    x = 6,959,924.22/4,186.24
  6. Step 6: Final answer
    x = 1,662.57

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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.