Home / 4,469.28-6,164.78-2,878.01

Finding the Fourth Proportional to 4,469.28, 6,164.78 and 2,878.01

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Solution

The fourth proportional to 4,469.28, 6,164.78 and 2,878.01 is: 3,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,469.28 : 6,164.78 = 2,878.01 : x
  2. Step 2: Convert to fraction form
    4,469.28/6,164.78 = 2,878.01/x
  3. Step 3: Cross multiply
    4,469.28x = 6,164.78 × 2,878.01
  4. Step 4: Simplify right side
    4,469.28x = 17,742,274.86
  5. Step 5: Solve for x
    x = 17,742,274.86/4,469.28
  6. Step 6: Final answer
    x = 3,969.83

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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.