Home / 4,917.57-6,786.16-2,928.08

Finding the Fourth Proportional to 4,917.57, 6,786.16 and 2,928.08

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Solution

The fourth proportional to 4,917.57, 6,786.16 and 2,928.08 is: 4,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.57 : 6,786.16 = 2,928.08 : x
  2. Step 2: Convert to fraction form
    4,917.57/6,786.16 = 2,928.08/x
  3. Step 3: Cross multiply
    4,917.57x = 6,786.16 × 2,928.08
  4. Step 4: Simplify right side
    4,917.57x = 19,870,419.37
  5. Step 5: Solve for x
    x = 19,870,419.37/4,917.57
  6. Step 6: Final answer
    x = 4,040.70

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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.