Home / 7,540.03-11,310.14-2,858.78

Finding the Fourth Proportional to 7,540.03, 11,310.14 and 2,858.78

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Solution

The fourth proportional to 7,540.03, 11,310.14 and 2,858.78 is: 4,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.03 : 11,310.14 = 2,858.78 : x
  2. Step 2: Convert to fraction form
    7,540.03/11,310.14 = 2,858.78/x
  3. Step 3: Cross multiply
    7,540.03x = 11,310.14 × 2,858.78
  4. Step 4: Simplify right side
    7,540.03x = 32,333,202.03
  5. Step 5: Solve for x
    x = 32,333,202.03/7,540.03
  6. Step 6: Final answer
    x = 4,288.21

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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.