Home / 8,725.12-13,091.04-4,047.52

Finding the Fourth Proportional to 8,725.12, 13,091.04 and 4,047.52

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Solution

The fourth proportional to 8,725.12, 13,091.04 and 4,047.52 is: 6,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.12 : 13,091.04 = 4,047.52 : x
  2. Step 2: Convert to fraction form
    8,725.12/13,091.04 = 4,047.52/x
  3. Step 3: Cross multiply
    8,725.12x = 13,091.04 × 4,047.52
  4. Step 4: Simplify right side
    8,725.12x = 52,986,246.22
  5. Step 5: Solve for x
    x = 52,986,246.22/8,725.12
  6. Step 6: Final answer
    x = 6,072.84

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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.