Home / 7,477.82-11,216.91-3,577.94

Finding the Fourth Proportional to 7,477.82, 11,216.91 and 3,577.94

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Solution

The fourth proportional to 7,477.82, 11,216.91 and 3,577.94 is: 5,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.82 : 11,216.91 = 3,577.94 : x
  2. Step 2: Convert to fraction form
    7,477.82/11,216.91 = 3,577.94/x
  3. Step 3: Cross multiply
    7,477.82x = 11,216.91 × 3,577.94
  4. Step 4: Simplify right side
    7,477.82x = 40,133,430.97
  5. Step 5: Solve for x
    x = 40,133,430.97/7,477.82
  6. Step 6: Final answer
    x = 5,367.00

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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.