Home / 7,320.36-10,982.82-2,391

Finding the Fourth Proportional to 7,320.36, 10,982.82 and 2,391

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Solution

The fourth proportional to 7,320.36, 10,982.82 and 2,391 is: 3,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.36 : 10,982.82 = 2,391 : x
  2. Step 2: Convert to fraction form
    7,320.36/10,982.82 = 2,391/x
  3. Step 3: Cross multiply
    7,320.36x = 10,982.82 × 2,391
  4. Step 4: Simplify right side
    7,320.36x = 26,259,922.62
  5. Step 5: Solve for x
    x = 26,259,922.62/7,320.36
  6. Step 6: Final answer
    x = 3,587.24

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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.