Home / 5,477.77-7,559.37-3,120.06

Finding the Fourth Proportional to 5,477.77, 7,559.37 and 3,120.06

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Solution

The fourth proportional to 5,477.77, 7,559.37 and 3,120.06 is: 4,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.77 : 7,559.37 = 3,120.06 : x
  2. Step 2: Convert to fraction form
    5,477.77/7,559.37 = 3,120.06/x
  3. Step 3: Cross multiply
    5,477.77x = 7,559.37 × 3,120.06
  4. Step 4: Simplify right side
    5,477.77x = 23,585,687.96
  5. Step 5: Solve for x
    x = 23,585,687.96/5,477.77
  6. Step 6: Final answer
    x = 4,305.71

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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.