Home / 5,212.15-7,192.08-2,973.89

Finding the Fourth Proportional to 5,212.15, 7,192.08 and 2,973.89

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Solution

The fourth proportional to 5,212.15, 7,192.08 and 2,973.89 is: 4,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.15 : 7,192.08 = 2,973.89 : x
  2. Step 2: Convert to fraction form
    5,212.15/7,192.08 = 2,973.89/x
  3. Step 3: Cross multiply
    5,212.15x = 7,192.08 × 2,973.89
  4. Step 4: Simplify right side
    5,212.15x = 21,388,460.91
  5. Step 5: Solve for x
    x = 21,388,460.91/5,212.15
  6. Step 6: Final answer
    x = 4,103.58

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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.