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Finding the Fourth Proportional to 9,230.63, 12,737.45 and 5,453.96

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Solution

The fourth proportional to 9,230.63, 12,737.45 and 5,453.96 is: 7,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,230.63 : 12,737.45 = 5,453.96 : x
  2. Step 2: Convert to fraction form
    9,230.63/12,737.45 = 5,453.96/x
  3. Step 3: Cross multiply
    9,230.63x = 12,737.45 × 5,453.96
  4. Step 4: Simplify right side
    9,230.63x = 69,469,492.75
  5. Step 5: Solve for x
    x = 69,469,492.75/9,230.63
  6. Step 6: Final answer
    x = 7,525.98

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Similar ratio
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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.