Home / 5,154.36-7,110.66-3,029.22

Finding the Fourth Proportional to 5,154.36, 7,110.66 and 3,029.22

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Solution

The fourth proportional to 5,154.36, 7,110.66 and 3,029.22 is: 4,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.36 : 7,110.66 = 3,029.22 : x
  2. Step 2: Convert to fraction form
    5,154.36/7,110.66 = 3,029.22/x
  3. Step 3: Cross multiply
    5,154.36x = 7,110.66 × 3,029.22
  4. Step 4: Simplify right side
    5,154.36x = 21,539,753.49
  5. Step 5: Solve for x
    x = 21,539,753.49/5,154.36
  6. Step 6: Final answer
    x = 4,178.94

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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.