Home / 4,173.26-5,728.40-3,690.57

Finding the Fourth Proportional to 4,173.26, 5,728.40 and 3,690.57

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Solution

The fourth proportional to 4,173.26, 5,728.40 and 3,690.57 is: 5,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.26 : 5,728.40 = 3,690.57 : x
  2. Step 2: Convert to fraction form
    4,173.26/5,728.40 = 3,690.57/x
  3. Step 3: Cross multiply
    4,173.26x = 5,728.40 × 3,690.57
  4. Step 4: Simplify right side
    4,173.26x = 21,141,042.74
  5. Step 5: Solve for x
    x = 21,141,042.74/4,173.26
  6. Step 6: Final answer
    x = 5,065.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.