Home / 5,192.64-7,162.56-3,620.16

Finding the Fourth Proportional to 5,192.64, 7,162.56 and 3,620.16

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Solution

The fourth proportional to 5,192.64, 7,162.56 and 3,620.16 is: 4,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.64 : 7,162.56 = 3,620.16 : x
  2. Step 2: Convert to fraction form
    5,192.64/7,162.56 = 3,620.16/x
  3. Step 3: Cross multiply
    5,192.64x = 7,162.56 × 3,620.16
  4. Step 4: Simplify right side
    5,192.64x = 25,929,613.21
  5. Step 5: Solve for x
    x = 25,929,613.21/5,192.64
  6. Step 6: Final answer
    x = 4,993.53

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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.