Home / 5,072.50-7,610.01-1,609.75

Finding the Fourth Proportional to 5,072.50, 7,610.01 and 1,609.75

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Solution

The fourth proportional to 5,072.50, 7,610.01 and 1,609.75 is: 2,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.50 : 7,610.01 = 1,609.75 : x
  2. Step 2: Convert to fraction form
    5,072.50/7,610.01 = 1,609.75/x
  3. Step 3: Cross multiply
    5,072.50x = 7,610.01 × 1,609.75
  4. Step 4: Simplify right side
    5,072.50x = 12,250,213.60
  5. Step 5: Solve for x
    x = 12,250,213.60/5,072.50
  6. Step 6: Final answer
    x = 2,415.02

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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.