Home / 6,185.40-9,271.62-3,998.76

Finding the Fourth Proportional to 6,185.40, 9,271.62 and 3,998.76

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Solution

The fourth proportional to 6,185.40, 9,271.62 and 3,998.76 is: 5,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,185.40 : 9,271.62 = 3,998.76 : x
  2. Step 2: Convert to fraction form
    6,185.40/9,271.62 = 3,998.76/x
  3. Step 3: Cross multiply
    6,185.40x = 9,271.62 × 3,998.76
  4. Step 4: Simplify right side
    6,185.40x = 37,074,983.19
  5. Step 5: Solve for x
    x = 37,074,983.19/6,185.40
  6. Step 6: Final answer
    x = 5,993.95

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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.