Home / 6,108.15-8,427.06-3,455.55

Finding the Fourth Proportional to 6,108.15, 8,427.06 and 3,455.55

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Solution

The fourth proportional to 6,108.15, 8,427.06 and 3,455.55 is: 4,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.15 : 8,427.06 = 3,455.55 : x
  2. Step 2: Convert to fraction form
    6,108.15/8,427.06 = 3,455.55/x
  3. Step 3: Cross multiply
    6,108.15x = 8,427.06 × 3,455.55
  4. Step 4: Simplify right side
    6,108.15x = 29,120,127.18
  5. Step 5: Solve for x
    x = 29,120,127.18/6,108.15
  6. Step 6: Final answer
    x = 4,767.42

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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.