Home / 5,425.19-8,124.65-3,754.64

Finding the Fourth Proportional to 5,425.19, 8,124.65 and 3,754.64

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Solution

The fourth proportional to 5,425.19, 8,124.65 and 3,754.64 is: 5,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.19 : 8,124.65 = 3,754.64 : x
  2. Step 2: Convert to fraction form
    5,425.19/8,124.65 = 3,754.64/x
  3. Step 3: Cross multiply
    5,425.19x = 8,124.65 × 3,754.64
  4. Step 4: Simplify right side
    5,425.19x = 30,505,161.19
  5. Step 5: Solve for x
    x = 30,505,161.19/5,425.19
  6. Step 6: Final answer
    x = 5,622.87

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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.