Home / 8,125.60-12,184.32-3,965.92

Finding the Fourth Proportional to 8,125.60, 12,184.32 and 3,965.92

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Solution

The fourth proportional to 8,125.60, 12,184.32 and 3,965.92 is: 5,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.60 : 12,184.32 = 3,965.92 : x
  2. Step 2: Convert to fraction form
    8,125.60/12,184.32 = 3,965.92/x
  3. Step 3: Cross multiply
    8,125.60x = 12,184.32 × 3,965.92
  4. Step 4: Simplify right side
    8,125.60x = 48,322,038.37
  5. Step 5: Solve for x
    x = 48,322,038.37/8,125.60
  6. Step 6: Final answer
    x = 5,946.89

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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.