Home / 6,140.25-8,475.03-3,489.12

Finding the Fourth Proportional to 6,140.25, 8,475.03 and 3,489.12

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Solution

The fourth proportional to 6,140.25, 8,475.03 and 3,489.12 is: 4,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.25 : 8,475.03 = 3,489.12 : x
  2. Step 2: Convert to fraction form
    6,140.25/8,475.03 = 3,489.12/x
  3. Step 3: Cross multiply
    6,140.25x = 8,475.03 × 3,489.12
  4. Step 4: Simplify right side
    6,140.25x = 29,570,396.67
  5. Step 5: Solve for x
    x = 29,570,396.67/6,140.25
  6. Step 6: Final answer
    x = 4,815.83

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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.