Home / 9,072.12-13,609.05-3,525.90

Finding the Fourth Proportional to 9,072.12, 13,609.05 and 3,525.90

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Solution

The fourth proportional to 9,072.12, 13,609.05 and 3,525.90 is: 5,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.12 : 13,609.05 = 3,525.90 : x
  2. Step 2: Convert to fraction form
    9,072.12/13,609.05 = 3,525.90/x
  3. Step 3: Cross multiply
    9,072.12x = 13,609.05 × 3,525.90
  4. Step 4: Simplify right side
    9,072.12x = 47,984,085.14
  5. Step 5: Solve for x
    x = 47,984,085.14/9,072.12
  6. Step 6: Final answer
    x = 5,289.18

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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.