Home / 6,227.30-8,604.60-4,978.66

Finding the Fourth Proportional to 6,227.30, 8,604.60 and 4,978.66

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Solution

The fourth proportional to 6,227.30, 8,604.60 and 4,978.66 is: 6,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,227.30 : 8,604.60 = 4,978.66 : x
  2. Step 2: Convert to fraction form
    6,227.30/8,604.60 = 4,978.66/x
  3. Step 3: Cross multiply
    6,227.30x = 8,604.60 × 4,978.66
  4. Step 4: Simplify right side
    6,227.30x = 42,839,377.84
  5. Step 5: Solve for x
    x = 42,839,377.84/6,227.30
  6. Step 6: Final answer
    x = 6,879.29

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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.