Home / 7,928.38-11,894.97-2,999.53

Finding the Fourth Proportional to 7,928.38, 11,894.97 and 2,999.53

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Solution

The fourth proportional to 7,928.38, 11,894.97 and 2,999.53 is: 4,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.38 : 11,894.97 = 2,999.53 : x
  2. Step 2: Convert to fraction form
    7,928.38/11,894.97 = 2,999.53/x
  3. Step 3: Cross multiply
    7,928.38x = 11,894.97 × 2,999.53
  4. Step 4: Simplify right side
    7,928.38x = 35,679,319.36
  5. Step 5: Solve for x
    x = 35,679,319.36/7,928.38
  6. Step 6: Final answer
    x = 4,500.20

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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.