Home / 5,477.35-8,221.87-2,358.90

Finding the Fourth Proportional to 5,477.35, 8,221.87 and 2,358.90

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Solution

The fourth proportional to 5,477.35, 8,221.87 and 2,358.90 is: 3,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.35 : 8,221.87 = 2,358.90 : x
  2. Step 2: Convert to fraction form
    5,477.35/8,221.87 = 2,358.90/x
  3. Step 3: Cross multiply
    5,477.35x = 8,221.87 × 2,358.90
  4. Step 4: Simplify right side
    5,477.35x = 19,394,516.24
  5. Step 5: Solve for x
    x = 19,394,516.24/5,477.35
  6. Step 6: Final answer
    x = 3,540.86

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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.