Home / 8,601.08-12,900.30-3,338.60

Finding the Fourth Proportional to 8,601.08, 12,900.30 and 3,338.60

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Solution

The fourth proportional to 8,601.08, 12,900.30 and 3,338.60 is: 5,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.08 : 12,900.30 = 3,338.60 : x
  2. Step 2: Convert to fraction form
    8,601.08/12,900.30 = 3,338.60/x
  3. Step 3: Cross multiply
    8,601.08x = 12,900.30 × 3,338.60
  4. Step 4: Simplify right side
    8,601.08x = 43,068,941.58
  5. Step 5: Solve for x
    x = 43,068,941.58/8,601.08
  6. Step 6: Final answer
    x = 5,007.39

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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.