Home / 7,412.12-11,119.68-3,029.93

Finding the Fourth Proportional to 7,412.12, 11,119.68 and 3,029.93

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Solution

The fourth proportional to 7,412.12, 11,119.68 and 3,029.93 is: 4,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.12 : 11,119.68 = 3,029.93 : x
  2. Step 2: Convert to fraction form
    7,412.12/11,119.68 = 3,029.93/x
  3. Step 3: Cross multiply
    7,412.12x = 11,119.68 × 3,029.93
  4. Step 4: Simplify right side
    7,412.12x = 33,691,852.02
  5. Step 5: Solve for x
    x = 33,691,852.02/7,412.12
  6. Step 6: Final answer
    x = 4,545.51

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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.