Home / 4,403.72-6,604.86-1,325

Finding the Fourth Proportional to 4,403.72, 6,604.86 and 1,325

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Solution

The fourth proportional to 4,403.72, 6,604.86 and 1,325 is: 1,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,403.72 : 6,604.86 = 1,325 : x
  2. Step 2: Convert to fraction form
    4,403.72/6,604.86 = 1,325/x
  3. Step 3: Cross multiply
    4,403.72x = 6,604.86 × 1,325
  4. Step 4: Simplify right side
    4,403.72x = 8,751,439.50
  5. Step 5: Solve for x
    x = 8,751,439.50/4,403.72
  6. Step 6: Final answer
    x = 1,987.28

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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.