Home / 4,786.20-7,177.14-1,708.28

Finding the Fourth Proportional to 4,786.20, 7,177.14 and 1,708.28

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Solution

The fourth proportional to 4,786.20, 7,177.14 and 1,708.28 is: 2,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.20 : 7,177.14 = 1,708.28 : x
  2. Step 2: Convert to fraction form
    4,786.20/7,177.14 = 1,708.28/x
  3. Step 3: Cross multiply
    4,786.20x = 7,177.14 × 1,708.28
  4. Step 4: Simplify right side
    4,786.20x = 12,260,564.72
  5. Step 5: Solve for x
    x = 12,260,564.72/4,786.20
  6. Step 6: Final answer
    x = 2,561.65

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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.