Home / 7,873.33-11,812.04-3,489.74

Finding the Fourth Proportional to 7,873.33, 11,812.04 and 3,489.74

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Solution

The fourth proportional to 7,873.33, 11,812.04 and 3,489.74 is: 5,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.33 : 11,812.04 = 3,489.74 : x
  2. Step 2: Convert to fraction form
    7,873.33/11,812.04 = 3,489.74/x
  3. Step 3: Cross multiply
    7,873.33x = 11,812.04 × 3,489.74
  4. Step 4: Simplify right side
    7,873.33x = 41,220,948.47
  5. Step 5: Solve for x
    x = 41,220,948.47/7,873.33
  6. Step 6: Final answer
    x = 5,235.52

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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.