Home / 5,313.23-8,000.71-3,936.33

Finding the Fourth Proportional to 5,313.23, 8,000.71 and 3,936.33

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Solution

The fourth proportional to 5,313.23, 8,000.71 and 3,936.33 is: 5,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.23 : 8,000.71 = 3,936.33 : x
  2. Step 2: Convert to fraction form
    5,313.23/8,000.71 = 3,936.33/x
  3. Step 3: Cross multiply
    5,313.23x = 8,000.71 × 3,936.33
  4. Step 4: Simplify right side
    5,313.23x = 31,493,434.79
  5. Step 5: Solve for x
    x = 31,493,434.79/5,313.23
  6. Step 6: Final answer
    x = 5,927.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.