Home / 5,163.03-7,124.97-2,805.18

Finding the Fourth Proportional to 5,163.03, 7,124.97 and 2,805.18

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Solution

The fourth proportional to 5,163.03, 7,124.97 and 2,805.18 is: 3,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.03 : 7,124.97 = 2,805.18 : x
  2. Step 2: Convert to fraction form
    5,163.03/7,124.97 = 2,805.18/x
  3. Step 3: Cross multiply
    5,163.03x = 7,124.97 × 2,805.18
  4. Step 4: Simplify right side
    5,163.03x = 19,986,823.34
  5. Step 5: Solve for x
    x = 19,986,823.34/5,163.03
  6. Step 6: Final answer
    x = 3,871.14

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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.