Home / 6,180.40-9,277.80-3,998.20

Finding the Fourth Proportional to 6,180.40, 9,277.80 and 3,998.20

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Solution

The fourth proportional to 6,180.40, 9,277.80 and 3,998.20 is: 6,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.40 : 9,277.80 = 3,998.20 : x
  2. Step 2: Convert to fraction form
    6,180.40/9,277.80 = 3,998.20/x
  3. Step 3: Cross multiply
    6,180.40x = 9,277.80 × 3,998.20
  4. Step 4: Simplify right side
    6,180.40x = 37,094,499.96
  5. Step 5: Solve for x
    x = 37,094,499.96/6,180.40
  6. Step 6: Final answer
    x = 6,001.96

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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.