Home / 7,212.03-10,813.05-2,829.93

Finding the Fourth Proportional to 7,212.03, 10,813.05 and 2,829.93

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Solution

The fourth proportional to 7,212.03, 10,813.05 and 2,829.93 is: 4,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.03 : 10,813.05 = 2,829.93 : x
  2. Step 2: Convert to fraction form
    7,212.03/10,813.05 = 2,829.93/x
  3. Step 3: Cross multiply
    7,212.03x = 10,813.05 × 2,829.93
  4. Step 4: Simplify right side
    7,212.03x = 30,600,174.59
  5. Step 5: Solve for x
    x = 30,600,174.59/7,212.03
  6. Step 6: Final answer
    x = 4,242.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.