Home / 9,209.30-13,805.37-3,361.50

Finding the Fourth Proportional to 9,209.30, 13,805.37 and 3,361.50

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Solution

The fourth proportional to 9,209.30, 13,805.37 and 3,361.50 is: 5,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.30 : 13,805.37 = 3,361.50 : x
  2. Step 2: Convert to fraction form
    9,209.30/13,805.37 = 3,361.50/x
  3. Step 3: Cross multiply
    9,209.30x = 13,805.37 × 3,361.50
  4. Step 4: Simplify right side
    9,209.30x = 46,406,751.26
  5. Step 5: Solve for x
    x = 46,406,751.26/9,209.30
  6. Step 6: Final answer
    x = 5,039.12

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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.