Home / 7,605.09-11,408.85-2,409.75

Finding the Fourth Proportional to 7,605.09, 11,408.85 and 2,409.75

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Solution

The fourth proportional to 7,605.09, 11,408.85 and 2,409.75 is: 3,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.09 : 11,408.85 = 2,409.75 : x
  2. Step 2: Convert to fraction form
    7,605.09/11,408.85 = 2,409.75/x
  3. Step 3: Cross multiply
    7,605.09x = 11,408.85 × 2,409.75
  4. Step 4: Simplify right side
    7,605.09x = 27,492,476.29
  5. Step 5: Solve for x
    x = 27,492,476.29/7,605.09
  6. Step 6: Final answer
    x = 3,615.01

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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.