Home / 8,467.06-12,701.20-2,920.32

Finding the Fourth Proportional to 8,467.06, 12,701.20 and 2,920.32

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Solution

The fourth proportional to 8,467.06, 12,701.20 and 2,920.32 is: 4,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.06 : 12,701.20 = 2,920.32 : x
  2. Step 2: Convert to fraction form
    8,467.06/12,701.20 = 2,920.32/x
  3. Step 3: Cross multiply
    8,467.06x = 12,701.20 × 2,920.32
  4. Step 4: Simplify right side
    8,467.06x = 37,091,568.38
  5. Step 5: Solve for x
    x = 37,091,568.38/8,467.06
  6. Step 6: Final answer
    x = 4,380.69

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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.