Home / 8,208.60-12,314.06-2,660.64

Finding the Fourth Proportional to 8,208.60, 12,314.06 and 2,660.64

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Solution

The fourth proportional to 8,208.60, 12,314.06 and 2,660.64 is: 3,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.60 : 12,314.06 = 2,660.64 : x
  2. Step 2: Convert to fraction form
    8,208.60/12,314.06 = 2,660.64/x
  3. Step 3: Cross multiply
    8,208.60x = 12,314.06 × 2,660.64
  4. Step 4: Simplify right side
    8,208.60x = 32,763,280.60
  5. Step 5: Solve for x
    x = 32,763,280.60/8,208.60
  6. Step 6: Final answer
    x = 3,991.34

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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.