Home / 5,727.13-8,591.54-1,778.79

Finding the Fourth Proportional to 5,727.13, 8,591.54 and 1,778.79

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Solution

The fourth proportional to 5,727.13, 8,591.54 and 1,778.79 is: 2,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.13 : 8,591.54 = 1,778.79 : x
  2. Step 2: Convert to fraction form
    5,727.13/8,591.54 = 1,778.79/x
  3. Step 3: Cross multiply
    5,727.13x = 8,591.54 × 1,778.79
  4. Step 4: Simplify right side
    5,727.13x = 15,282,511.28
  5. Step 5: Solve for x
    x = 15,282,511.28/5,727.13
  6. Step 6: Final answer
    x = 2,668.44

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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.