Home / 5,429.91-7,493.41-3,039.87

Finding the Fourth Proportional to 5,429.91, 7,493.41 and 3,039.87

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Solution

The fourth proportional to 5,429.91, 7,493.41 and 3,039.87 is: 4,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.91 : 7,493.41 = 3,039.87 : x
  2. Step 2: Convert to fraction form
    5,429.91/7,493.41 = 3,039.87/x
  3. Step 3: Cross multiply
    5,429.91x = 7,493.41 × 3,039.87
  4. Step 4: Simplify right side
    5,429.91x = 22,778,992.26
  5. Step 5: Solve for x
    x = 22,778,992.26/5,429.91
  6. Step 6: Final answer
    x = 4,195.10

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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.