Home / 8,872.98-12,245.58-6,630.96

Finding the Fourth Proportional to 8,872.98, 12,245.58 and 6,630.96

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Solution

The fourth proportional to 8,872.98, 12,245.58 and 6,630.96 is: 9,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.98 : 12,245.58 = 6,630.96 : x
  2. Step 2: Convert to fraction form
    8,872.98/12,245.58 = 6,630.96/x
  3. Step 3: Cross multiply
    8,872.98x = 12,245.58 × 6,630.96
  4. Step 4: Simplify right side
    8,872.98x = 81,199,951.16
  5. Step 5: Solve for x
    x = 81,199,951.16/8,872.98
  6. Step 6: Final answer
    x = 9,151.37

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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.