Home / 5,451.90-8,179.14-1,754.34

Finding the Fourth Proportional to 5,451.90, 8,179.14 and 1,754.34

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Solution

The fourth proportional to 5,451.90, 8,179.14 and 1,754.34 is: 2,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.90 : 8,179.14 = 1,754.34 : x
  2. Step 2: Convert to fraction form
    5,451.90/8,179.14 = 1,754.34/x
  3. Step 3: Cross multiply
    5,451.90x = 8,179.14 × 1,754.34
  4. Step 4: Simplify right side
    5,451.90x = 14,348,992.47
  5. Step 5: Solve for x
    x = 14,348,992.47/5,451.90
  6. Step 6: Final answer
    x = 2,631.93

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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.