Home / 4,578.42-6,863.52-2,111.22

Finding the Fourth Proportional to 4,578.42, 6,863.52 and 2,111.22

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Solution

The fourth proportional to 4,578.42, 6,863.52 and 2,111.22 is: 3,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.42 : 6,863.52 = 2,111.22 : x
  2. Step 2: Convert to fraction form
    4,578.42/6,863.52 = 2,111.22/x
  3. Step 3: Cross multiply
    4,578.42x = 6,863.52 × 2,111.22
  4. Step 4: Simplify right side
    4,578.42x = 14,490,400.69
  5. Step 5: Solve for x
    x = 14,490,400.69/4,578.42
  6. Step 6: Final answer
    x = 3,164.93

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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.