Home / 5,530.18-8,286.63-3,191.62

Finding the Fourth Proportional to 5,530.18, 8,286.63 and 3,191.62

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Solution

The fourth proportional to 5,530.18, 8,286.63 and 3,191.62 is: 4,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.18 : 8,286.63 = 3,191.62 : x
  2. Step 2: Convert to fraction form
    5,530.18/8,286.63 = 3,191.62/x
  3. Step 3: Cross multiply
    5,530.18x = 8,286.63 × 3,191.62
  4. Step 4: Simplify right side
    5,530.18x = 26,447,774.04
  5. Step 5: Solve for x
    x = 26,447,774.04/5,530.18
  6. Step 6: Final answer
    x = 4,782.44

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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.