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Finding the Fourth Proportional to 9,896.58, 14,845.62 and 3,322.80

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Solution

The fourth proportional to 9,896.58, 14,845.62 and 3,322.80 is: 4,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.58 : 14,845.62 = 3,322.80 : x
  2. Step 2: Convert to fraction form
    9,896.58/14,845.62 = 3,322.80/x
  3. Step 3: Cross multiply
    9,896.58x = 14,845.62 × 3,322.80
  4. Step 4: Simplify right side
    9,896.58x = 49,329,026.14
  5. Step 5: Solve for x
    x = 49,329,026.14/9,896.58
  6. Step 6: Final answer
    x = 4,984.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.