Home / 5,451.72-8,177.68-1,556.22

Finding the Fourth Proportional to 5,451.72, 8,177.68 and 1,556.22

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Solution

The fourth proportional to 5,451.72, 8,177.68 and 1,556.22 is: 2,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.72 : 8,177.68 = 1,556.22 : x
  2. Step 2: Convert to fraction form
    5,451.72/8,177.68 = 1,556.22/x
  3. Step 3: Cross multiply
    5,451.72x = 8,177.68 × 1,556.22
  4. Step 4: Simplify right side
    5,451.72x = 12,726,269.17
  5. Step 5: Solve for x
    x = 12,726,269.17/5,451.72
  6. Step 6: Final answer
    x = 2,334.36

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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.