Home / 6,108.62-8,430.09-3,455.98

Finding the Fourth Proportional to 6,108.62, 8,430.09 and 3,455.98

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Solution

The fourth proportional to 6,108.62, 8,430.09 and 3,455.98 is: 4,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.62 : 8,430.09 = 3,455.98 : x
  2. Step 2: Convert to fraction form
    6,108.62/8,430.09 = 3,455.98/x
  3. Step 3: Cross multiply
    6,108.62x = 8,430.09 × 3,455.98
  4. Step 4: Simplify right side
    6,108.62x = 29,134,201.36
  5. Step 5: Solve for x
    x = 29,134,201.36/6,108.62
  6. Step 6: Final answer
    x = 4,769.36

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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.