Home / 7,149.55-10,726.50-3,451.09

Finding the Fourth Proportional to 7,149.55, 10,726.50 and 3,451.09

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Solution

The fourth proportional to 7,149.55, 10,726.50 and 3,451.09 is: 5,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.55 : 10,726.50 = 3,451.09 : x
  2. Step 2: Convert to fraction form
    7,149.55/10,726.50 = 3,451.09/x
  3. Step 3: Cross multiply
    7,149.55x = 10,726.50 × 3,451.09
  4. Step 4: Simplify right side
    7,149.55x = 37,018,099.63
  5. Step 5: Solve for x
    x = 37,018,099.63/7,149.55
  6. Step 6: Final answer
    x = 5,177.68

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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.