Home / 8,120.33-12,184.36-5,625.35

Finding the Fourth Proportional to 8,120.33, 12,184.36 and 5,625.35

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Solution

The fourth proportional to 8,120.33, 12,184.36 and 5,625.35 is: 8,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.33 : 12,184.36 = 5,625.35 : x
  2. Step 2: Convert to fraction form
    8,120.33/12,184.36 = 5,625.35/x
  3. Step 3: Cross multiply
    8,120.33x = 12,184.36 × 5,625.35
  4. Step 4: Simplify right side
    8,120.33x = 68,541,260.23
  5. Step 5: Solve for x
    x = 68,541,260.23/8,120.33
  6. Step 6: Final answer
    x = 8,440.69

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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.