Home / 5,072.96-7,609.38-1,610.22

Finding the Fourth Proportional to 5,072.96, 7,609.38 and 1,610.22

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Solution

The fourth proportional to 5,072.96, 7,609.38 and 1,610.22 is: 2,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.96 : 7,609.38 = 1,610.22 : x
  2. Step 2: Convert to fraction form
    5,072.96/7,609.38 = 1,610.22/x
  3. Step 3: Cross multiply
    5,072.96x = 7,609.38 × 1,610.22
  4. Step 4: Simplify right side
    5,072.96x = 12,252,775.86
  5. Step 5: Solve for x
    x = 12,252,775.86/5,072.96
  6. Step 6: Final answer
    x = 2,415.31

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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.