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Finding the Fourth Proportional to 6,384.05, 8,809.97 and 3,730.94

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Solution

The fourth proportional to 6,384.05, 8,809.97 and 3,730.94 is: 5,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.05 : 8,809.97 = 3,730.94 : x
  2. Step 2: Convert to fraction form
    6,384.05/8,809.97 = 3,730.94/x
  3. Step 3: Cross multiply
    6,384.05x = 8,809.97 × 3,730.94
  4. Step 4: Simplify right side
    6,384.05x = 32,869,406.77
  5. Step 5: Solve for x
    x = 32,869,406.77/6,384.05
  6. Step 6: Final answer
    x = 5,148.68

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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.