Home / 8,396.33-12,586.30-3,127.49

Finding the Fourth Proportional to 8,396.33, 12,586.30 and 3,127.49

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Solution

The fourth proportional to 8,396.33, 12,586.30 and 3,127.49 is: 4,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.33 : 12,586.30 = 3,127.49 : x
  2. Step 2: Convert to fraction form
    8,396.33/12,586.30 = 3,127.49/x
  3. Step 3: Cross multiply
    8,396.33x = 12,586.30 × 3,127.49
  4. Step 4: Simplify right side
    8,396.33x = 39,363,456.64
  5. Step 5: Solve for x
    x = 39,363,456.64/8,396.33
  6. Step 6: Final answer
    x = 4,688.17

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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.