Home / 8,635.68-12,953.60-2,792.29

Finding the Fourth Proportional to 8,635.68, 12,953.60 and 2,792.29

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Solution

The fourth proportional to 8,635.68, 12,953.60 and 2,792.29 is: 4,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.68 : 12,953.60 = 2,792.29 : x
  2. Step 2: Convert to fraction form
    8,635.68/12,953.60 = 2,792.29/x
  3. Step 3: Cross multiply
    8,635.68x = 12,953.60 × 2,792.29
  4. Step 4: Simplify right side
    8,635.68x = 36,170,207.74
  5. Step 5: Solve for x
    x = 36,170,207.74/8,635.68
  6. Step 6: Final answer
    x = 4,188.46

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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.