Home / 5,704.67-7,872.19-3,187.07

Finding the Fourth Proportional to 5,704.67, 7,872.19 and 3,187.07

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Solution

The fourth proportional to 5,704.67, 7,872.19 and 3,187.07 is: 4,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.67 : 7,872.19 = 3,187.07 : x
  2. Step 2: Convert to fraction form
    5,704.67/7,872.19 = 3,187.07/x
  3. Step 3: Cross multiply
    5,704.67x = 7,872.19 × 3,187.07
  4. Step 4: Simplify right side
    5,704.67x = 25,089,220.58
  5. Step 5: Solve for x
    x = 25,089,220.58/5,704.67
  6. Step 6: Final answer
    x = 4,398.01

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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.