Home / 4,727.36-7,078.44-4,173.68

Finding the Fourth Proportional to 4,727.36, 7,078.44 and 4,173.68

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Solution

The fourth proportional to 4,727.36, 7,078.44 and 4,173.68 is: 6,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.36 : 7,078.44 = 4,173.68 : x
  2. Step 2: Convert to fraction form
    4,727.36/7,078.44 = 4,173.68/x
  3. Step 3: Cross multiply
    4,727.36x = 7,078.44 × 4,173.68
  4. Step 4: Simplify right side
    4,727.36x = 29,543,143.46
  5. Step 5: Solve for x
    x = 29,543,143.46/4,727.36
  6. Step 6: Final answer
    x = 6,249.40

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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.