Home / 8,630.20-11,910.09-4,853.98

Finding the Fourth Proportional to 8,630.20, 11,910.09 and 4,853.98

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Solution

The fourth proportional to 8,630.20, 11,910.09 and 4,853.98 is: 6,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.20 : 11,910.09 = 4,853.98 : x
  2. Step 2: Convert to fraction form
    8,630.20/11,910.09 = 4,853.98/x
  3. Step 3: Cross multiply
    8,630.20x = 11,910.09 × 4,853.98
  4. Step 4: Simplify right side
    8,630.20x = 57,811,338.66
  5. Step 5: Solve for x
    x = 57,811,338.66/8,630.20
  6. Step 6: Final answer
    x = 6,698.73

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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.