Home / 8,725.34-13,078.49-4,286.06

Finding the Fourth Proportional to 8,725.34, 13,078.49 and 4,286.06

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Solution

The fourth proportional to 8,725.34, 13,078.49 and 4,286.06 is: 6,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.34 : 13,078.49 = 4,286.06 : x
  2. Step 2: Convert to fraction form
    8,725.34/13,078.49 = 4,286.06/x
  3. Step 3: Cross multiply
    8,725.34x = 13,078.49 × 4,286.06
  4. Step 4: Simplify right side
    8,725.34x = 56,055,192.85
  5. Step 5: Solve for x
    x = 56,055,192.85/8,725.34
  6. Step 6: Final answer
    x = 6,424.41

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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.