Home / 4,218.10-6,326.55-2,653.33

Finding the Fourth Proportional to 4,218.10, 6,326.55 and 2,653.33

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Solution

The fourth proportional to 4,218.10, 6,326.55 and 2,653.33 is: 3,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.10 : 6,326.55 = 2,653.33 : x
  2. Step 2: Convert to fraction form
    4,218.10/6,326.55 = 2,653.33/x
  3. Step 3: Cross multiply
    4,218.10x = 6,326.55 × 2,653.33
  4. Step 4: Simplify right side
    4,218.10x = 16,786,424.91
  5. Step 5: Solve for x
    x = 16,786,424.91/4,218.10
  6. Step 6: Final answer
    x = 3,979.62

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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.