Home / 8,361.08-11,536.00-5,172.85

Finding the Fourth Proportional to 8,361.08, 11,536.00 and 5,172.85

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Solution

The fourth proportional to 8,361.08, 11,536.00 and 5,172.85 is: 7,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.08 : 11,536.00 = 5,172.85 : x
  2. Step 2: Convert to fraction form
    8,361.08/11,536.00 = 5,172.85/x
  3. Step 3: Cross multiply
    8,361.08x = 11,536.00 × 5,172.85
  4. Step 4: Simplify right side
    8,361.08x = 59,673,945.01
  5. Step 5: Solve for x
    x = 59,673,945.01/8,361.08
  6. Step 6: Final answer
    x = 7,137.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.