Home / 7,103.76-10,652.94-2,171.88

Finding the Fourth Proportional to 7,103.76, 10,652.94 and 2,171.88

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Solution

The fourth proportional to 7,103.76, 10,652.94 and 2,171.88 is: 3,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.76 : 10,652.94 = 2,171.88 : x
  2. Step 2: Convert to fraction form
    7,103.76/10,652.94 = 2,171.88/x
  3. Step 3: Cross multiply
    7,103.76x = 10,652.94 × 2,171.88
  4. Step 4: Simplify right side
    7,103.76x = 23,136,907.33
  5. Step 5: Solve for x
    x = 23,136,907.33/7,103.76
  6. Step 6: Final answer
    x = 3,256.99

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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.