Home / 4,478.26-6,672.38-4,226.75

Finding the Fourth Proportional to 4,478.26, 6,672.38 and 4,226.75

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Solution

The fourth proportional to 4,478.26, 6,672.38 and 4,226.75 is: 6,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.26 : 6,672.38 = 4,226.75 : x
  2. Step 2: Convert to fraction form
    4,478.26/6,672.38 = 4,226.75/x
  3. Step 3: Cross multiply
    4,478.26x = 6,672.38 × 4,226.75
  4. Step 4: Simplify right side
    4,478.26x = 28,202,482.17
  5. Step 5: Solve for x
    x = 28,202,482.17/4,478.26
  6. Step 6: Final answer
    x = 6,297.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.