Home / 5,163.26-7,125.08-2,805.34

Finding the Fourth Proportional to 5,163.26, 7,125.08 and 2,805.34

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Solution

The fourth proportional to 5,163.26, 7,125.08 and 2,805.34 is: 3,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.26 : 7,125.08 = 2,805.34 : x
  2. Step 2: Convert to fraction form
    5,163.26/7,125.08 = 2,805.34/x
  3. Step 3: Cross multiply
    5,163.26x = 7,125.08 × 2,805.34
  4. Step 4: Simplify right side
    5,163.26x = 19,988,271.93
  5. Step 5: Solve for x
    x = 19,988,271.93/5,163.26
  6. Step 6: Final answer
    x = 3,871.25

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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.