Home / 5,163.28-7,738.58-2,386.20

Finding the Fourth Proportional to 5,163.28, 7,738.58 and 2,386.20

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Solution

The fourth proportional to 5,163.28, 7,738.58 and 2,386.20 is: 3,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.28 : 7,738.58 = 2,386.20 : x
  2. Step 2: Convert to fraction form
    5,163.28/7,738.58 = 2,386.20/x
  3. Step 3: Cross multiply
    5,163.28x = 7,738.58 × 2,386.20
  4. Step 4: Simplify right side
    5,163.28x = 18,465,748.97
  5. Step 5: Solve for x
    x = 18,465,748.97/5,163.28
  6. Step 6: Final answer
    x = 3,576.36

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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.