Home / 5,614.84-8,431.68-5,391.36

Finding the Fourth Proportional to 5,614.84, 8,431.68 and 5,391.36

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Solution

The fourth proportional to 5,614.84, 8,431.68 and 5,391.36 is: 8,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.84 : 8,431.68 = 5,391.36 : x
  2. Step 2: Convert to fraction form
    5,614.84/8,431.68 = 5,391.36/x
  3. Step 3: Cross multiply
    5,614.84x = 8,431.68 × 5,391.36
  4. Step 4: Simplify right side
    5,614.84x = 45,458,222.28
  5. Step 5: Solve for x
    x = 45,458,222.28/5,614.84
  6. Step 6: Final answer
    x = 8,096.09

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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.