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Finding the Fourth Proportional to 6,145.91, 8,480.94 and 3,457.54

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Solution

The fourth proportional to 6,145.91, 8,480.94 and 3,457.54 is: 4,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.91 : 8,480.94 = 3,457.54 : x
  2. Step 2: Convert to fraction form
    6,145.91/8,480.94 = 3,457.54/x
  3. Step 3: Cross multiply
    6,145.91x = 8,480.94 × 3,457.54
  4. Step 4: Simplify right side
    6,145.91x = 29,323,189.29
  5. Step 5: Solve for x
    x = 29,323,189.29/6,145.91
  6. Step 6: Final answer
    x = 4,771.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.