Home / 9,089.70-13,625.10-3,540.81

Finding the Fourth Proportional to 9,089.70, 13,625.10 and 3,540.81

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Solution

The fourth proportional to 9,089.70, 13,625.10 and 3,540.81 is: 5,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.70 : 13,625.10 = 3,540.81 : x
  2. Step 2: Convert to fraction form
    9,089.70/13,625.10 = 3,540.81/x
  3. Step 3: Cross multiply
    9,089.70x = 13,625.10 × 3,540.81
  4. Step 4: Simplify right side
    9,089.70x = 48,243,890.33
  5. Step 5: Solve for x
    x = 48,243,890.33/9,089.70
  6. Step 6: Final answer
    x = 5,307.53

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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.