Home / 6,009.34-9,018.66-3,928.78

Finding the Fourth Proportional to 6,009.34, 9,018.66 and 3,928.78

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Solution

The fourth proportional to 6,009.34, 9,018.66 and 3,928.78 is: 5,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,009.34 : 9,018.66 = 3,928.78 : x
  2. Step 2: Convert to fraction form
    6,009.34/9,018.66 = 3,928.78/x
  3. Step 3: Cross multiply
    6,009.34x = 9,018.66 × 3,928.78
  4. Step 4: Simplify right side
    6,009.34x = 35,432,331.03
  5. Step 5: Solve for x
    x = 35,432,331.03/6,009.34
  6. Step 6: Final answer
    x = 5,896.21

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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.