Home / 9,190.58-13,790.43-3,643.81

Finding the Fourth Proportional to 9,190.58, 13,790.43 and 3,643.81

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Solution

The fourth proportional to 9,190.58, 13,790.43 and 3,643.81 is: 5,467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.58 : 13,790.43 = 3,643.81 : x
  2. Step 2: Convert to fraction form
    9,190.58/13,790.43 = 3,643.81/x
  3. Step 3: Cross multiply
    9,190.58x = 13,790.43 × 3,643.81
  4. Step 4: Simplify right side
    9,190.58x = 50,249,672.26
  5. Step 5: Solve for x
    x = 50,249,672.26/9,190.58
  6. Step 6: Final answer
    x = 5,467.52

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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.