Home / 5,177.36-7,757.94-2,055.68

Finding the Fourth Proportional to 5,177.36, 7,757.94 and 2,055.68

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Solution

The fourth proportional to 5,177.36, 7,757.94 and 2,055.68 is: 3,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.36 : 7,757.94 = 2,055.68 : x
  2. Step 2: Convert to fraction form
    5,177.36/7,757.94 = 2,055.68/x
  3. Step 3: Cross multiply
    5,177.36x = 7,757.94 × 2,055.68
  4. Step 4: Simplify right side
    5,177.36x = 15,947,842.10
  5. Step 5: Solve for x
    x = 15,947,842.10/5,177.36
  6. Step 6: Final answer
    x = 3,080.30

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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.