Home / 4,405.85-6,608.13-1,285.02

Finding the Fourth Proportional to 4,405.85, 6,608.13 and 1,285.02

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Solution

The fourth proportional to 4,405.85, 6,608.13 and 1,285.02 is: 1,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.85 : 6,608.13 = 1,285.02 : x
  2. Step 2: Convert to fraction form
    4,405.85/6,608.13 = 1,285.02/x
  3. Step 3: Cross multiply
    4,405.85x = 6,608.13 × 1,285.02
  4. Step 4: Simplify right side
    4,405.85x = 8,491,579.21
  5. Step 5: Solve for x
    x = 8,491,579.21/4,405.85
  6. Step 6: Final answer
    x = 1,927.34

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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.