Home / 7,414.74-11,122.12-1,868.08

Finding the Fourth Proportional to 7,414.74, 11,122.12 and 1,868.08

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Solution

The fourth proportional to 7,414.74, 11,122.12 and 1,868.08 is: 2,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.74 : 11,122.12 = 1,868.08 : x
  2. Step 2: Convert to fraction form
    7,414.74/11,122.12 = 1,868.08/x
  3. Step 3: Cross multiply
    7,414.74x = 11,122.12 × 1,868.08
  4. Step 4: Simplify right side
    7,414.74x = 20,777,009.93
  5. Step 5: Solve for x
    x = 20,777,009.93/7,414.74
  6. Step 6: Final answer
    x = 2,802.12

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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.