Home / 5,180.29-7,149.91-3,412.05

Finding the Fourth Proportional to 5,180.29, 7,149.91 and 3,412.05

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Solution

The fourth proportional to 5,180.29, 7,149.91 and 3,412.05 is: 4,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.29 : 7,149.91 = 3,412.05 : x
  2. Step 2: Convert to fraction form
    5,180.29/7,149.91 = 3,412.05/x
  3. Step 3: Cross multiply
    5,180.29x = 7,149.91 × 3,412.05
  4. Step 4: Simplify right side
    5,180.29x = 24,395,833.36
  5. Step 5: Solve for x
    x = 24,395,833.36/5,180.29
  6. Step 6: Final answer
    x = 4,709.36

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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.