Home / 4,109.79-6,164.49-1,643.94

Finding the Fourth Proportional to 4,109.79, 6,164.49 and 1,643.94

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Solution

The fourth proportional to 4,109.79, 6,164.49 and 1,643.94 is: 2,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.79 : 6,164.49 = 1,643.94 : x
  2. Step 2: Convert to fraction form
    4,109.79/6,164.49 = 1,643.94/x
  3. Step 3: Cross multiply
    4,109.79x = 6,164.49 × 1,643.94
  4. Step 4: Simplify right side
    4,109.79x = 10,134,051.69
  5. Step 5: Solve for x
    x = 10,134,051.69/4,109.79
  6. Step 6: Final answer
    x = 2,465.83

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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.