Home / 5,163.16-7,124.93-2,805.25

Finding the Fourth Proportional to 5,163.16, 7,124.93 and 2,805.25

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Solution

The fourth proportional to 5,163.16, 7,124.93 and 2,805.25 is: 3,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.16 : 7,124.93 = 2,805.25 : x
  2. Step 2: Convert to fraction form
    5,163.16/7,124.93 = 2,805.25/x
  3. Step 3: Cross multiply
    5,163.16x = 7,124.93 × 2,805.25
  4. Step 4: Simplify right side
    5,163.16x = 19,987,209.88
  5. Step 5: Solve for x
    x = 19,987,209.88/5,163.16
  6. Step 6: Final answer
    x = 3,871.12

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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.