Home / 7,408.16-11,112.23-2,477.79

Finding the Fourth Proportional to 7,408.16, 11,112.23 and 2,477.79

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Solution

The fourth proportional to 7,408.16, 11,112.23 and 2,477.79 is: 3,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.16 : 11,112.23 = 2,477.79 : x
  2. Step 2: Convert to fraction form
    7,408.16/11,112.23 = 2,477.79/x
  3. Step 3: Cross multiply
    7,408.16x = 11,112.23 × 2,477.79
  4. Step 4: Simplify right side
    7,408.16x = 27,533,759.98
  5. Step 5: Solve for x
    x = 27,533,759.98/7,408.16
  6. Step 6: Final answer
    x = 3,716.68

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1.5x scale

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.