Home / 4,917.58-6,786.81-2,928.14

Finding the Fourth Proportional to 4,917.58, 6,786.81 and 2,928.14

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Solution

The fourth proportional to 4,917.58, 6,786.81 and 2,928.14 is: 4,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.58 : 6,786.81 = 2,928.14 : x
  2. Step 2: Convert to fraction form
    4,917.58/6,786.81 = 2,928.14/x
  3. Step 3: Cross multiply
    4,917.58x = 6,786.81 × 2,928.14
  4. Step 4: Simplify right side
    4,917.58x = 19,872,729.83
  5. Step 5: Solve for x
    x = 19,872,729.83/4,917.58
  6. Step 6: Final answer
    x = 4,041.16

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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.