Home / 7,380.06-11,076.38-3,681.20

Finding the Fourth Proportional to 7,380.06, 11,076.38 and 3,681.20

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Solution

The fourth proportional to 7,380.06, 11,076.38 and 3,681.20 is: 5,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.06 : 11,076.38 = 3,681.20 : x
  2. Step 2: Convert to fraction form
    7,380.06/11,076.38 = 3,681.20/x
  3. Step 3: Cross multiply
    7,380.06x = 11,076.38 × 3,681.20
  4. Step 4: Simplify right side
    7,380.06x = 40,774,370.06
  5. Step 5: Solve for x
    x = 40,774,370.06/7,380.06
  6. Step 6: Final answer
    x = 5,524.94

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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.