Home / 4,321.10-6,481.65-3,457.10

Finding the Fourth Proportional to 4,321.10, 6,481.65 and 3,457.10

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Solution

The fourth proportional to 4,321.10, 6,481.65 and 3,457.10 is: 5,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.10 : 6,481.65 = 3,457.10 : x
  2. Step 2: Convert to fraction form
    4,321.10/6,481.65 = 3,457.10/x
  3. Step 3: Cross multiply
    4,321.10x = 6,481.65 × 3,457.10
  4. Step 4: Simplify right side
    4,321.10x = 22,407,712.22
  5. Step 5: Solve for x
    x = 22,407,712.22/4,321.10
  6. Step 6: Final answer
    x = 5,185.65

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1.5x scale

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.