Home / 7,408.69-11,112.24-2,477.77

Finding the Fourth Proportional to 7,408.69, 11,112.24 and 2,477.77

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Solution

The fourth proportional to 7,408.69, 11,112.24 and 2,477.77 is: 3,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.69 : 11,112.24 = 2,477.77 : x
  2. Step 2: Convert to fraction form
    7,408.69/11,112.24 = 2,477.77/x
  3. Step 3: Cross multiply
    7,408.69x = 11,112.24 × 2,477.77
  4. Step 4: Simplify right side
    7,408.69x = 27,533,574.90
  5. Step 5: Solve for x
    x = 27,533,574.90/7,408.69
  6. Step 6: Final answer
    x = 3,716.39

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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.