Home / 8,396.46-12,586.48-3,127.61

Finding the Fourth Proportional to 8,396.46, 12,586.48 and 3,127.61

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Solution

The fourth proportional to 8,396.46, 12,586.48 and 3,127.61 is: 4,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.46 : 12,586.48 = 3,127.61 : x
  2. Step 2: Convert to fraction form
    8,396.46/12,586.48 = 3,127.61/x
  3. Step 3: Cross multiply
    8,396.46x = 12,586.48 × 3,127.61
  4. Step 4: Simplify right side
    8,396.46x = 39,365,600.71
  5. Step 5: Solve for x
    x = 39,365,600.71/8,396.46
  6. Step 6: Final answer
    x = 4,688.36

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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.