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Finding the Fourth Proportional to 8,302, 11,457 and 4,576.24

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Solution

The fourth proportional to 8,302, 11,457 and 4,576.24 is: 6,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302 : 11,457 = 4,576.24 : x
  2. Step 2: Convert to fraction form
    8,302/11,457 = 4,576.24/x
  3. Step 3: Cross multiply
    8,302x = 11,457 × 4,576.24
  4. Step 4: Simplify right side
    8,302x = 52,429,981.68
  5. Step 5: Solve for x
    x = 52,429,981.68/8,302
  6. Step 6: Final answer
    x = 6,315.34

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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.