Home / 8,520.60-12,792.84-4,363.49

Finding the Fourth Proportional to 8,520.60, 12,792.84 and 4,363.49

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Solution

The fourth proportional to 8,520.60, 12,792.84 and 4,363.49 is: 6,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.60 : 12,792.84 = 4,363.49 : x
  2. Step 2: Convert to fraction form
    8,520.60/12,792.84 = 4,363.49/x
  3. Step 3: Cross multiply
    8,520.60x = 12,792.84 × 4,363.49
  4. Step 4: Simplify right side
    8,520.60x = 55,821,365.45
  5. Step 5: Solve for x
    x = 55,821,365.45/8,520.60
  6. Step 6: Final answer
    x = 6,551.34

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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.