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Finding the Fourth Proportional to 5,877.83, 8,816.79 and 1,982.22

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Solution

The fourth proportional to 5,877.83, 8,816.79 and 1,982.22 is: 2,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.83 : 8,816.79 = 1,982.22 : x
  2. Step 2: Convert to fraction form
    5,877.83/8,816.79 = 1,982.22/x
  3. Step 3: Cross multiply
    5,877.83x = 8,816.79 × 1,982.22
  4. Step 4: Simplify right side
    5,877.83x = 17,476,817.47
  5. Step 5: Solve for x
    x = 17,476,817.47/5,877.83
  6. Step 6: Final answer
    x = 2,973.35

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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.