Home / 8,310.92-12,474.58-4,415.32

Finding the Fourth Proportional to 8,310.92, 12,474.58 and 4,415.32

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Solution

The fourth proportional to 8,310.92, 12,474.58 and 4,415.32 is: 6,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.92 : 12,474.58 = 4,415.32 : x
  2. Step 2: Convert to fraction form
    8,310.92/12,474.58 = 4,415.32/x
  3. Step 3: Cross multiply
    8,310.92x = 12,474.58 × 4,415.32
  4. Step 4: Simplify right side
    8,310.92x = 55,079,262.57
  5. Step 5: Solve for x
    x = 55,079,262.57/8,310.92
  6. Step 6: Final answer
    x = 6,627.34

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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.