Home / 8,270.60-12,408.86-3,529.16

Finding the Fourth Proportional to 8,270.60, 12,408.86 and 3,529.16

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Solution

The fourth proportional to 8,270.60, 12,408.86 and 3,529.16 is: 5,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.60 : 12,408.86 = 3,529.16 : x
  2. Step 2: Convert to fraction form
    8,270.60/12,408.86 = 3,529.16/x
  3. Step 3: Cross multiply
    8,270.60x = 12,408.86 × 3,529.16
  4. Step 4: Simplify right side
    8,270.60x = 43,792,852.36
  5. Step 5: Solve for x
    x = 43,792,852.36/8,270.60
  6. Step 6: Final answer
    x = 5,295.00

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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.