Home / 7,405.25-11,108.56-2,725.34

Finding the Fourth Proportional to 7,405.25, 11,108.56 and 2,725.34

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Solution

The fourth proportional to 7,405.25, 11,108.56 and 2,725.34 is: 4,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.25 : 11,108.56 = 2,725.34 : x
  2. Step 2: Convert to fraction form
    7,405.25/11,108.56 = 2,725.34/x
  3. Step 3: Cross multiply
    7,405.25x = 11,108.56 × 2,725.34
  4. Step 4: Simplify right side
    7,405.25x = 30,274,637.50
  5. Step 5: Solve for x
    x = 30,274,637.50/7,405.25
  6. Step 6: Final answer
    x = 4,088.27

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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.