Home / 5,127.54-7,685.84-3,662.24

Finding the Fourth Proportional to 5,127.54, 7,685.84 and 3,662.24

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Solution

The fourth proportional to 5,127.54, 7,685.84 and 3,662.24 is: 5,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.54 : 7,685.84 = 3,662.24 : x
  2. Step 2: Convert to fraction form
    5,127.54/7,685.84 = 3,662.24/x
  3. Step 3: Cross multiply
    5,127.54x = 7,685.84 × 3,662.24
  4. Step 4: Simplify right side
    5,127.54x = 28,147,390.68
  5. Step 5: Solve for x
    x = 28,147,390.68/5,127.54
  6. Step 6: Final answer
    x = 5,489.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.