Home / 5,451.99-8,176.64-1,556.70

Finding the Fourth Proportional to 5,451.99, 8,176.64 and 1,556.70

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Solution

The fourth proportional to 5,451.99, 8,176.64 and 1,556.70 is: 2,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.99 : 8,176.64 = 1,556.70 : x
  2. Step 2: Convert to fraction form
    5,451.99/8,176.64 = 1,556.70/x
  3. Step 3: Cross multiply
    5,451.99x = 8,176.64 × 1,556.70
  4. Step 4: Simplify right side
    5,451.99x = 12,728,567.70
  5. Step 5: Solve for x
    x = 12,728,567.70/5,451.99
  6. Step 6: Final answer
    x = 2,334.66

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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.