Home / 8,725.30-13,085.64-3,793.82

Finding the Fourth Proportional to 8,725.30, 13,085.64 and 3,793.82

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Solution

The fourth proportional to 8,725.30, 13,085.64 and 3,793.82 is: 5,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.30 : 13,085.64 = 3,793.82 : x
  2. Step 2: Convert to fraction form
    8,725.30/13,085.64 = 3,793.82/x
  3. Step 3: Cross multiply
    8,725.30x = 13,085.64 × 3,793.82
  4. Step 4: Simplify right side
    8,725.30x = 49,644,497.32
  5. Step 5: Solve for x
    x = 49,644,497.32/8,725.30
  6. Step 6: Final answer
    x = 5,689.72

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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.