Home / 7,103.14-10,654.81-2,720.82

Finding the Fourth Proportional to 7,103.14, 10,654.81 and 2,720.82

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Solution

The fourth proportional to 7,103.14, 10,654.81 and 2,720.82 is: 4,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.14 : 10,654.81 = 2,720.82 : x
  2. Step 2: Convert to fraction form
    7,103.14/10,654.81 = 2,720.82/x
  3. Step 3: Cross multiply
    7,103.14x = 10,654.81 × 2,720.82
  4. Step 4: Simplify right side
    7,103.14x = 28,989,820.14
  5. Step 5: Solve for x
    x = 28,989,820.14/7,103.14
  6. Step 6: Final answer
    x = 4,081.27

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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.