Home / 7,160.55-10,731.99-5,192.96

Finding the Fourth Proportional to 7,160.55, 10,731.99 and 5,192.96

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Solution

The fourth proportional to 7,160.55, 10,731.99 and 5,192.96 is: 7,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.55 : 10,731.99 = 5,192.96 : x
  2. Step 2: Convert to fraction form
    7,160.55/10,731.99 = 5,192.96/x
  3. Step 3: Cross multiply
    7,160.55x = 10,731.99 × 5,192.96
  4. Step 4: Simplify right side
    7,160.55x = 55,730,820.97
  5. Step 5: Solve for x
    x = 55,730,820.97/7,160.55
  6. Step 6: Final answer
    x = 7,783.03

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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.