Home / 7,985.79-11,982.41-3,053.81

Finding the Fourth Proportional to 7,985.79, 11,982.41 and 3,053.81

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Solution

The fourth proportional to 7,985.79, 11,982.41 and 3,053.81 is: 4,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.79 : 11,982.41 = 3,053.81 : x
  2. Step 2: Convert to fraction form
    7,985.79/11,982.41 = 3,053.81/x
  3. Step 3: Cross multiply
    7,985.79x = 11,982.41 × 3,053.81
  4. Step 4: Simplify right side
    7,985.79x = 36,591,928.30
  5. Step 5: Solve for x
    x = 36,591,928.30/7,985.79
  6. Step 6: Final answer
    x = 4,582.13

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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.