Home / 8,630.66-11,910.30-4,853.78

Finding the Fourth Proportional to 8,630.66, 11,910.30 and 4,853.78

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Solution

The fourth proportional to 8,630.66, 11,910.30 and 4,853.78 is: 6,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.66 : 11,910.30 = 4,853.78 : x
  2. Step 2: Convert to fraction form
    8,630.66/11,910.30 = 4,853.78/x
  3. Step 3: Cross multiply
    8,630.66x = 11,910.30 × 4,853.78
  4. Step 4: Simplify right side
    8,630.66x = 57,809,975.93
  5. Step 5: Solve for x
    x = 57,809,975.93/8,630.66
  6. Step 6: Final answer
    x = 6,698.21

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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.