Home / 5,163.69-7,130.61-3,755.49

Finding the Fourth Proportional to 5,163.69, 7,130.61 and 3,755.49

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Solution

The fourth proportional to 5,163.69, 7,130.61 and 3,755.49 is: 5,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.69 : 7,130.61 = 3,755.49 : x
  2. Step 2: Convert to fraction form
    5,163.69/7,130.61 = 3,755.49/x
  3. Step 3: Cross multiply
    5,163.69x = 7,130.61 × 3,755.49
  4. Step 4: Simplify right side
    5,163.69x = 26,778,934.55
  5. Step 5: Solve for x
    x = 26,778,934.55/5,163.69
  6. Step 6: Final answer
    x = 5,186.01

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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.