Home / 6,151.75-8,489.37-3,499.16

Finding the Fourth Proportional to 6,151.75, 8,489.37 and 3,499.16

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Solution

The fourth proportional to 6,151.75, 8,489.37 and 3,499.16 is: 4,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.75 : 8,489.37 = 3,499.16 : x
  2. Step 2: Convert to fraction form
    6,151.75/8,489.37 = 3,499.16/x
  3. Step 3: Cross multiply
    6,151.75x = 8,489.37 × 3,499.16
  4. Step 4: Simplify right side
    6,151.75x = 29,705,663.93
  5. Step 5: Solve for x
    x = 29,705,663.93/6,151.75
  6. Step 6: Final answer
    x = 4,828.82

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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.