Home / 4,179.93-6,269.70-1,218.39

Finding the Fourth Proportional to 4,179.93, 6,269.70 and 1,218.39

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Solution

The fourth proportional to 4,179.93, 6,269.70 and 1,218.39 is: 1,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.93 : 6,269.70 = 1,218.39 : x
  2. Step 2: Convert to fraction form
    4,179.93/6,269.70 = 1,218.39/x
  3. Step 3: Cross multiply
    4,179.93x = 6,269.70 × 1,218.39
  4. Step 4: Simplify right side
    4,179.93x = 7,638,939.78
  5. Step 5: Solve for x
    x = 7,638,939.78/4,179.93
  6. Step 6: Final answer
    x = 1,827.53

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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.