Home / 5,177.37-7,761.74-2,055.42

Finding the Fourth Proportional to 5,177.37, 7,761.74 and 2,055.42

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Solution

The fourth proportional to 5,177.37, 7,761.74 and 2,055.42 is: 3,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.37 : 7,761.74 = 2,055.42 : x
  2. Step 2: Convert to fraction form
    5,177.37/7,761.74 = 2,055.42/x
  3. Step 3: Cross multiply
    5,177.37x = 7,761.74 × 2,055.42
  4. Step 4: Simplify right side
    5,177.37x = 15,953,625.35
  5. Step 5: Solve for x
    x = 15,953,625.35/5,177.37
  6. Step 6: Final answer
    x = 3,081.41

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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.