Home / 8,217.57-11,342.39-5,071.94

Finding the Fourth Proportional to 8,217.57, 11,342.39 and 5,071.94

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Solution

The fourth proportional to 8,217.57, 11,342.39 and 5,071.94 is: 7,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.57 : 11,342.39 = 5,071.94 : x
  2. Step 2: Convert to fraction form
    8,217.57/11,342.39 = 5,071.94/x
  3. Step 3: Cross multiply
    8,217.57x = 11,342.39 × 5,071.94
  4. Step 4: Simplify right side
    8,217.57x = 57,527,921.54
  5. Step 5: Solve for x
    x = 57,527,921.54/8,217.57
  6. Step 6: Final answer
    x = 7,000.60

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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.