Home / 5,619.40-8,434.39-4,134.09

Finding the Fourth Proportional to 5,619.40, 8,434.39 and 4,134.09

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Solution

The fourth proportional to 5,619.40, 8,434.39 and 4,134.09 is: 6,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.40 : 8,434.39 = 4,134.09 : x
  2. Step 2: Convert to fraction form
    5,619.40/8,434.39 = 4,134.09/x
  3. Step 3: Cross multiply
    5,619.40x = 8,434.39 × 4,134.09
  4. Step 4: Simplify right side
    5,619.40x = 34,868,527.36
  5. Step 5: Solve for x
    x = 34,868,527.36/5,619.40
  6. Step 6: Final answer
    x = 6,205.03

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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.