Home / 7,157.34-10,736.70-2,655.60

Finding the Fourth Proportional to 7,157.34, 10,736.70 and 2,655.60

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Solution

The fourth proportional to 7,157.34, 10,736.70 and 2,655.60 is: 3,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.34 : 10,736.70 = 2,655.60 : x
  2. Step 2: Convert to fraction form
    7,157.34/10,736.70 = 2,655.60/x
  3. Step 3: Cross multiply
    7,157.34x = 10,736.70 × 2,655.60
  4. Step 4: Simplify right side
    7,157.34x = 28,512,380.52
  5. Step 5: Solve for x
    x = 28,512,380.52/7,157.34
  6. Step 6: Final answer
    x = 3,983.66

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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.