Home / 6,108.14-8,428.97-3,455.60

Finding the Fourth Proportional to 6,108.14, 8,428.97 and 3,455.60

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Solution

The fourth proportional to 6,108.14, 8,428.97 and 3,455.60 is: 4,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.14 : 8,428.97 = 3,455.60 : x
  2. Step 2: Convert to fraction form
    6,108.14/8,428.97 = 3,455.60/x
  3. Step 3: Cross multiply
    6,108.14x = 8,428.97 × 3,455.60
  4. Step 4: Simplify right side
    6,108.14x = 29,127,115.23
  5. Step 5: Solve for x
    x = 29,127,115.23/6,108.14
  6. Step 6: Final answer
    x = 4,768.57

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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.