Home / 7,108.75-10,666.16-2,725.64

Finding the Fourth Proportional to 7,108.75, 10,666.16 and 2,725.64

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Solution

The fourth proportional to 7,108.75, 10,666.16 and 2,725.64 is: 4,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.75 : 10,666.16 = 2,725.64 : x
  2. Step 2: Convert to fraction form
    7,108.75/10,666.16 = 2,725.64/x
  3. Step 3: Cross multiply
    7,108.75x = 10,666.16 × 2,725.64
  4. Step 4: Simplify right side
    7,108.75x = 29,072,112.34
  5. Step 5: Solve for x
    x = 29,072,112.34/7,108.75
  6. Step 6: Final answer
    x = 4,089.62

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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.