Home / 5,425.03-8,138.63-2,305.01

Finding the Fourth Proportional to 5,425.03, 8,138.63 and 2,305.01

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Solution

The fourth proportional to 5,425.03, 8,138.63 and 2,305.01 is: 3,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.03 : 8,138.63 = 2,305.01 : x
  2. Step 2: Convert to fraction form
    5,425.03/8,138.63 = 2,305.01/x
  3. Step 3: Cross multiply
    5,425.03x = 8,138.63 × 2,305.01
  4. Step 4: Simplify right side
    5,425.03x = 18,759,571.32
  5. Step 5: Solve for x
    x = 18,759,571.32/5,425.03
  6. Step 6: Final answer
    x = 3,457.97

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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.