Home / 6,624.21-9,140.99-3,791.61

Finding the Fourth Proportional to 6,624.21, 9,140.99 and 3,791.61

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Solution

The fourth proportional to 6,624.21, 9,140.99 and 3,791.61 is: 5,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.21 : 9,140.99 = 3,791.61 : x
  2. Step 2: Convert to fraction form
    6,624.21/9,140.99 = 3,791.61/x
  3. Step 3: Cross multiply
    6,624.21x = 9,140.99 × 3,791.61
  4. Step 4: Simplify right side
    6,624.21x = 34,659,050.14
  5. Step 5: Solve for x
    x = 34,659,050.14/6,624.21
  6. Step 6: Final answer
    x = 5,232.18

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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.