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Finding the Fourth Proportional to 8,396.94, 12,595.69 and 2,553.53

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Solution

The fourth proportional to 8,396.94, 12,595.69 and 2,553.53 is: 3,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.94 : 12,595.69 = 2,553.53 : x
  2. Step 2: Convert to fraction form
    8,396.94/12,595.69 = 2,553.53/x
  3. Step 3: Cross multiply
    8,396.94x = 12,595.69 × 2,553.53
  4. Step 4: Simplify right side
    8,396.94x = 32,163,472.29
  5. Step 5: Solve for x
    x = 32,163,472.29/8,396.94
  6. Step 6: Final answer
    x = 3,830.38

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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.