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Finding the Fourth Proportional to 8,384.35, 12,576.54 and 2,541.01

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Solution

The fourth proportional to 8,384.35, 12,576.54 and 2,541.01 is: 3,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.35 : 12,576.54 = 2,541.01 : x
  2. Step 2: Convert to fraction form
    8,384.35/12,576.54 = 2,541.01/x
  3. Step 3: Cross multiply
    8,384.35x = 12,576.54 × 2,541.01
  4. Step 4: Simplify right side
    8,384.35x = 31,957,113.91
  5. Step 5: Solve for x
    x = 31,957,113.91/8,384.35
  6. Step 6: Final answer
    x = 3,811.52

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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.