Home / 8,792.30-13,188.40-2,218.50

Finding the Fourth Proportional to 8,792.30, 13,188.40 and 2,218.50

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Solution

The fourth proportional to 8,792.30, 13,188.40 and 2,218.50 is: 3,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.30 : 13,188.40 = 2,218.50 : x
  2. Step 2: Convert to fraction form
    8,792.30/13,188.40 = 2,218.50/x
  3. Step 3: Cross multiply
    8,792.30x = 13,188.40 × 2,218.50
  4. Step 4: Simplify right side
    8,792.30x = 29,258,414.56
  5. Step 5: Solve for x
    x = 29,258,414.56/8,792.30
  6. Step 6: Final answer
    x = 3,327.73

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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.