Home / 7,408.24-11,112.94-2,477.90

Finding the Fourth Proportional to 7,408.24, 11,112.94 and 2,477.90

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Solution

The fourth proportional to 7,408.24, 11,112.94 and 2,477.90 is: 3,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.24 : 11,112.94 = 2,477.90 : x
  2. Step 2: Convert to fraction form
    7,408.24/11,112.94 = 2,477.90/x
  3. Step 3: Cross multiply
    7,408.24x = 11,112.94 × 2,477.90
  4. Step 4: Simplify right side
    7,408.24x = 27,536,754.03
  5. Step 5: Solve for x
    x = 27,536,754.03/7,408.24
  6. Step 6: Final answer
    x = 3,717.05

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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.