Home / 5,523.21-8,281.58-3,789.81

Finding the Fourth Proportional to 5,523.21, 8,281.58 and 3,789.81

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Solution

The fourth proportional to 5,523.21, 8,281.58 and 3,789.81 is: 5,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.21 : 8,281.58 = 3,789.81 : x
  2. Step 2: Convert to fraction form
    5,523.21/8,281.58 = 3,789.81/x
  3. Step 3: Cross multiply
    5,523.21x = 8,281.58 × 3,789.81
  4. Step 4: Simplify right side
    5,523.21x = 31,385,595.75
  5. Step 5: Solve for x
    x = 31,385,595.75/5,523.21
  6. Step 6: Final answer
    x = 5,682.49

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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.