Home / 7,817.25-11,725.88-2,345.25

Finding the Fourth Proportional to 7,817.25, 11,725.88 and 2,345.25

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Solution

The fourth proportional to 7,817.25, 11,725.88 and 2,345.25 is: 3,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.25 : 11,725.88 = 2,345.25 : x
  2. Step 2: Convert to fraction form
    7,817.25/11,725.88 = 2,345.25/x
  3. Step 3: Cross multiply
    7,817.25x = 11,725.88 × 2,345.25
  4. Step 4: Simplify right side
    7,817.25x = 27,500,108.34
  5. Step 5: Solve for x
    x = 27,500,108.34/7,817.25
  6. Step 6: Final answer
    x = 3,517.88

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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.