Home / 8,745.03-13,120.83-5,237.51

Finding the Fourth Proportional to 8,745.03, 13,120.83 and 5,237.51

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Solution

The fourth proportional to 8,745.03, 13,120.83 and 5,237.51 is: 7,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.03 : 13,120.83 = 5,237.51 : x
  2. Step 2: Convert to fraction form
    8,745.03/13,120.83 = 5,237.51/x
  3. Step 3: Cross multiply
    8,745.03x = 13,120.83 × 5,237.51
  4. Step 4: Simplify right side
    8,745.03x = 68,720,412.73
  5. Step 5: Solve for x
    x = 68,720,412.73/8,745.03
  6. Step 6: Final answer
    x = 7,858.22

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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.