Home / 5,163.99-7,126.01-2,806.11

Finding the Fourth Proportional to 5,163.99, 7,126.01 and 2,806.11

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Solution

The fourth proportional to 5,163.99, 7,126.01 and 2,806.11 is: 3,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.99 : 7,126.01 = 2,806.11 : x
  2. Step 2: Convert to fraction form
    5,163.99/7,126.01 = 2,806.11/x
  3. Step 3: Cross multiply
    5,163.99x = 7,126.01 × 2,806.11
  4. Step 4: Simplify right side
    5,163.99x = 19,996,364.41
  5. Step 5: Solve for x
    x = 19,996,364.41/5,163.99
  6. Step 6: Final answer
    x = 3,872.27

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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.