Home / 4,435.72-6,121.12-2,668.32

Finding the Fourth Proportional to 4,435.72, 6,121.12 and 2,668.32

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Solution

The fourth proportional to 4,435.72, 6,121.12 and 2,668.32 is: 3,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.72 : 6,121.12 = 2,668.32 : x
  2. Step 2: Convert to fraction form
    4,435.72/6,121.12 = 2,668.32/x
  3. Step 3: Cross multiply
    4,435.72x = 6,121.12 × 2,668.32
  4. Step 4: Simplify right side
    4,435.72x = 16,333,106.92
  5. Step 5: Solve for x
    x = 16,333,106.92/4,435.72
  6. Step 6: Final answer
    x = 3,682.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.