Home / 7,103.57-10,654.97-2,173.21

Finding the Fourth Proportional to 7,103.57, 10,654.97 and 2,173.21

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Solution

The fourth proportional to 7,103.57, 10,654.97 and 2,173.21 is: 3,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.57 : 10,654.97 = 2,173.21 : x
  2. Step 2: Convert to fraction form
    7,103.57/10,654.97 = 2,173.21/x
  3. Step 3: Cross multiply
    7,103.57x = 10,654.97 × 2,173.21
  4. Step 4: Simplify right side
    7,103.57x = 23,155,519.42
  5. Step 5: Solve for x
    x = 23,155,519.42/7,103.57
  6. Step 6: Final answer
    x = 3,259.70

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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.