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Finding the Fourth Proportional to 6,191.55, 8,544 and 3,538.80

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Solution

The fourth proportional to 6,191.55, 8,544 and 3,538.80 is: 4,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.55 : 8,544 = 3,538.80 : x
  2. Step 2: Convert to fraction form
    6,191.55/8,544 = 3,538.80/x
  3. Step 3: Cross multiply
    6,191.55x = 8,544 × 3,538.80
  4. Step 4: Simplify right side
    6,191.55x = 30,235,507.20
  5. Step 5: Solve for x
    x = 30,235,507.20/6,191.55
  6. Step 6: Final answer
    x = 4,883.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.