Home / 8,055.40-12,086.91-3,893.06

Finding the Fourth Proportional to 8,055.40, 12,086.91 and 3,893.06

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Solution

The fourth proportional to 8,055.40, 12,086.91 and 3,893.06 is: 5,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.40 : 12,086.91 = 3,893.06 : x
  2. Step 2: Convert to fraction form
    8,055.40/12,086.91 = 3,893.06/x
  3. Step 3: Cross multiply
    8,055.40x = 12,086.91 × 3,893.06
  4. Step 4: Simplify right side
    8,055.40x = 47,055,065.84
  5. Step 5: Solve for x
    x = 47,055,065.84/8,055.40
  6. Step 6: Final answer
    x = 5,841.43

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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.