Home / 6,108.36-8,428.96-3,455.88

Finding the Fourth Proportional to 6,108.36, 8,428.96 and 3,455.88

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Solution

The fourth proportional to 6,108.36, 8,428.96 and 3,455.88 is: 4,768.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.36 : 8,428.96 = 3,455.88 : x
  2. Step 2: Convert to fraction form
    6,108.36/8,428.96 = 3,455.88/x
  3. Step 3: Cross multiply
    6,108.36x = 8,428.96 × 3,455.88
  4. Step 4: Simplify right side
    6,108.36x = 29,129,474.28
  5. Step 5: Solve for x
    x = 29,129,474.28/6,108.36
  6. Step 6: Final answer
    x = 4,768.79

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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.