Home / 5,477.94-7,559.73-3,120.03

Finding the Fourth Proportional to 5,477.94, 7,559.73 and 3,120.03

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Solution

The fourth proportional to 5,477.94, 7,559.73 and 3,120.03 is: 4,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.94 : 7,559.73 = 3,120.03 : x
  2. Step 2: Convert to fraction form
    5,477.94/7,559.73 = 3,120.03/x
  3. Step 3: Cross multiply
    5,477.94x = 7,559.73 × 3,120.03
  4. Step 4: Simplify right side
    5,477.94x = 23,586,584.39
  5. Step 5: Solve for x
    x = 23,586,584.39/5,477.94
  6. Step 6: Final answer
    x = 4,305.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.