Home / 8,144.64-12,215.40-3,467.22

Finding the Fourth Proportional to 8,144.64, 12,215.40 and 3,467.22

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Solution

The fourth proportional to 8,144.64, 12,215.40 and 3,467.22 is: 5,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.64 : 12,215.40 = 3,467.22 : x
  2. Step 2: Convert to fraction form
    8,144.64/12,215.40 = 3,467.22/x
  3. Step 3: Cross multiply
    8,144.64x = 12,215.40 × 3,467.22
  4. Step 4: Simplify right side
    8,144.64x = 42,353,479.19
  5. Step 5: Solve for x
    x = 42,353,479.19/8,144.64
  6. Step 6: Final answer
    x = 5,200.17

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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.