Home / 7,414.09-11,121.69-2,347.87

Finding the Fourth Proportional to 7,414.09, 11,121.69 and 2,347.87

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Solution

The fourth proportional to 7,414.09, 11,121.69 and 2,347.87 is: 3,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.09 : 11,121.69 = 2,347.87 : x
  2. Step 2: Convert to fraction form
    7,414.09/11,121.69 = 2,347.87/x
  3. Step 3: Cross multiply
    7,414.09x = 11,121.69 × 2,347.87
  4. Step 4: Simplify right side
    7,414.09x = 26,112,282.30
  5. Step 5: Solve for x
    x = 26,112,282.30/7,414.09
  6. Step 6: Final answer
    x = 3,521.98

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1.5x scale

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.