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Finding the Fourth Proportional to 8,576.69, 12,865.03 and 4,828.75

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Solution

The fourth proportional to 8,576.69, 12,865.03 and 4,828.75 is: 7,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.69 : 12,865.03 = 4,828.75 : x
  2. Step 2: Convert to fraction form
    8,576.69/12,865.03 = 4,828.75/x
  3. Step 3: Cross multiply
    8,576.69x = 12,865.03 × 4,828.75
  4. Step 4: Simplify right side
    8,576.69x = 62,121,969.38
  5. Step 5: Solve for x
    x = 62,121,969.38/8,576.69
  6. Step 6: Final answer
    x = 7,243.12

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Similar ratio
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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.