Home / 4,867.39-7,288.79-3,218.94

Finding the Fourth Proportional to 4,867.39, 7,288.79 and 3,218.94

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Solution

The fourth proportional to 4,867.39, 7,288.79 and 3,218.94 is: 4,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.39 : 7,288.79 = 3,218.94 : x
  2. Step 2: Convert to fraction form
    4,867.39/7,288.79 = 3,218.94/x
  3. Step 3: Cross multiply
    4,867.39x = 7,288.79 × 3,218.94
  4. Step 4: Simplify right side
    4,867.39x = 23,462,161.59
  5. Step 5: Solve for x
    x = 23,462,161.59/4,867.39
  6. Step 6: Final answer
    x = 4,820.27

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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.