Home / 8,725.92-13,088.82-3,531.72

Finding the Fourth Proportional to 8,725.92, 13,088.82 and 3,531.72

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Solution

The fourth proportional to 8,725.92, 13,088.82 and 3,531.72 is: 5,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.92 : 13,088.82 = 3,531.72 : x
  2. Step 2: Convert to fraction form
    8,725.92/13,088.82 = 3,531.72/x
  3. Step 3: Cross multiply
    8,725.92x = 13,088.82 × 3,531.72
  4. Step 4: Simplify right side
    8,725.92x = 46,226,047.37
  5. Step 5: Solve for x
    x = 46,226,047.37/8,725.92
  6. Step 6: Final answer
    x = 5,297.56

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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.