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Finding the Fourth Proportional to 8,045.44, 12,072.76 and 4,764.94

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Solution

The fourth proportional to 8,045.44, 12,072.76 and 4,764.94 is: 7,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.44 : 12,072.76 = 4,764.94 : x
  2. Step 2: Convert to fraction form
    8,045.44/12,072.76 = 4,764.94/x
  3. Step 3: Cross multiply
    8,045.44x = 12,072.76 × 4,764.94
  4. Step 4: Simplify right side
    8,045.44x = 57,525,977.03
  5. Step 5: Solve for x
    x = 57,525,977.03/8,045.44
  6. Step 6: Final answer
    x = 7,150.13

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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.