Home / 5,163.68-7,127.44-3,508.64

Finding the Fourth Proportional to 5,163.68, 7,127.44 and 3,508.64

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Solution

The fourth proportional to 5,163.68, 7,127.44 and 3,508.64 is: 4,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.68 : 7,127.44 = 3,508.64 : x
  2. Step 2: Convert to fraction form
    5,163.68/7,127.44 = 3,508.64/x
  3. Step 3: Cross multiply
    5,163.68x = 7,127.44 × 3,508.64
  4. Step 4: Simplify right side
    5,163.68x = 25,007,621.08
  5. Step 5: Solve for x
    x = 25,007,621.08/5,163.68
  6. Step 6: Final answer
    x = 4,842.98

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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.