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Finding the Fourth Proportional to 9,252.99, 12,770.63 and 6,878.73

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Solution

The fourth proportional to 9,252.99, 12,770.63 and 6,878.73 is: 9,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252.99 : 12,770.63 = 6,878.73 : x
  2. Step 2: Convert to fraction form
    9,252.99/12,770.63 = 6,878.73/x
  3. Step 3: Cross multiply
    9,252.99x = 12,770.63 × 6,878.73
  4. Step 4: Simplify right side
    9,252.99x = 87,845,715.70
  5. Step 5: Solve for x
    x = 87,845,715.70/9,252.99
  6. Step 6: Final answer
    x = 9,493.77

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Double scale
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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.