Home / 8,928.56-13,389.57-3,995.66

Finding the Fourth Proportional to 8,928.56, 13,389.57 and 3,995.66

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Solution

The fourth proportional to 8,928.56, 13,389.57 and 3,995.66 is: 5,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.56 : 13,389.57 = 3,995.66 : x
  2. Step 2: Convert to fraction form
    8,928.56/13,389.57 = 3,995.66/x
  3. Step 3: Cross multiply
    8,928.56x = 13,389.57 × 3,995.66
  4. Step 4: Simplify right side
    8,928.56x = 53,500,202.74
  5. Step 5: Solve for x
    x = 53,500,202.74/8,928.56
  6. Step 6: Final answer
    x = 5,992.03

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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.