Home / 8,406.33-12,611.97-3,476.25

Finding the Fourth Proportional to 8,406.33, 12,611.97 and 3,476.25

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Solution

The fourth proportional to 8,406.33, 12,611.97 and 3,476.25 is: 5,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.33 : 12,611.97 = 3,476.25 : x
  2. Step 2: Convert to fraction form
    8,406.33/12,611.97 = 3,476.25/x
  3. Step 3: Cross multiply
    8,406.33x = 12,611.97 × 3,476.25
  4. Step 4: Simplify right side
    8,406.33x = 43,842,360.71
  5. Step 5: Solve for x
    x = 43,842,360.71/8,406.33
  6. Step 6: Final answer
    x = 5,215.40

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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.