Home / 4,790.87-7,172.96-2,445.80

Finding the Fourth Proportional to 4,790.87, 7,172.96 and 2,445.80

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Solution

The fourth proportional to 4,790.87, 7,172.96 and 2,445.80 is: 3,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.87 : 7,172.96 = 2,445.80 : x
  2. Step 2: Convert to fraction form
    4,790.87/7,172.96 = 2,445.80/x
  3. Step 3: Cross multiply
    4,790.87x = 7,172.96 × 2,445.80
  4. Step 4: Simplify right side
    4,790.87x = 17,543,625.57
  5. Step 5: Solve for x
    x = 17,543,625.57/4,790.87
  6. Step 6: Final answer
    x = 3,661.89

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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.