Home / 8,405.08-12,601.44-4,025.61

Finding the Fourth Proportional to 8,405.08, 12,601.44 and 4,025.61

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Solution

The fourth proportional to 8,405.08, 12,601.44 and 4,025.61 is: 6,035.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.08 : 12,601.44 = 4,025.61 : x
  2. Step 2: Convert to fraction form
    8,405.08/12,601.44 = 4,025.61/x
  3. Step 3: Cross multiply
    8,405.08x = 12,601.44 × 4,025.61
  4. Step 4: Simplify right side
    8,405.08x = 50,728,482.88
  5. Step 5: Solve for x
    x = 50,728,482.88/8,405.08
  6. Step 6: Final answer
    x = 6,035.46

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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.