Home / 8,215.22-12,323.51-3,282.17

Finding the Fourth Proportional to 8,215.22, 12,323.51 and 3,282.17

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Solution

The fourth proportional to 8,215.22, 12,323.51 and 3,282.17 is: 4,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.22 : 12,323.51 = 3,282.17 : x
  2. Step 2: Convert to fraction form
    8,215.22/12,323.51 = 3,282.17/x
  3. Step 3: Cross multiply
    8,215.22x = 12,323.51 × 3,282.17
  4. Step 4: Simplify right side
    8,215.22x = 40,447,776.79
  5. Step 5: Solve for x
    x = 40,447,776.79/8,215.22
  6. Step 6: Final answer
    x = 4,923.52

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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.