Home / 7,928.39-10,936.22-5,099.45

Finding the Fourth Proportional to 7,928.39, 10,936.22 and 5,099.45

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Solution

The fourth proportional to 7,928.39, 10,936.22 and 5,099.45 is: 7,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.39 : 10,936.22 = 5,099.45 : x
  2. Step 2: Convert to fraction form
    7,928.39/10,936.22 = 5,099.45/x
  3. Step 3: Cross multiply
    7,928.39x = 10,936.22 × 5,099.45
  4. Step 4: Simplify right side
    7,928.39x = 55,768,626.90
  5. Step 5: Solve for x
    x = 55,768,626.90/7,928.39
  6. Step 6: Final answer
    x = 7,034.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.