Home / 7,868.09-11,799.33-2,602.13

Finding the Fourth Proportional to 7,868.09, 11,799.33 and 2,602.13

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Solution

The fourth proportional to 7,868.09, 11,799.33 and 2,602.13 is: 3,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.09 : 11,799.33 = 2,602.13 : x
  2. Step 2: Convert to fraction form
    7,868.09/11,799.33 = 2,602.13/x
  3. Step 3: Cross multiply
    7,868.09x = 11,799.33 × 2,602.13
  4. Step 4: Simplify right side
    7,868.09x = 30,703,377.56
  5. Step 5: Solve for x
    x = 30,703,377.56/7,868.09
  6. Step 6: Final answer
    x = 3,902.27

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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.