Home / 4,147.36-5,722.43-3,477.87

Finding the Fourth Proportional to 4,147.36, 5,722.43 and 3,477.87

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Solution

The fourth proportional to 4,147.36, 5,722.43 and 3,477.87 is: 4,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.36 : 5,722.43 = 3,477.87 : x
  2. Step 2: Convert to fraction form
    4,147.36/5,722.43 = 3,477.87/x
  3. Step 3: Cross multiply
    4,147.36x = 5,722.43 × 3,477.87
  4. Step 4: Simplify right side
    4,147.36x = 19,901,867.62
  5. Step 5: Solve for x
    x = 19,901,867.62/4,147.36
  6. Step 6: Final answer
    x = 4,798.68

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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.