Home / 5,110.50-7,667.60-2,515.26

Finding the Fourth Proportional to 5,110.50, 7,667.60 and 2,515.26

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Solution

The fourth proportional to 5,110.50, 7,667.60 and 2,515.26 is: 3,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.50 : 7,667.60 = 2,515.26 : x
  2. Step 2: Convert to fraction form
    5,110.50/7,667.60 = 2,515.26/x
  3. Step 3: Cross multiply
    5,110.50x = 7,667.60 × 2,515.26
  4. Step 4: Simplify right side
    5,110.50x = 19,286,007.58
  5. Step 5: Solve for x
    x = 19,286,007.58/5,110.50
  6. Step 6: Final answer
    x = 3,773.80

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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.