Home / 5,877.28-8,815.85-1,984.42

Finding the Fourth Proportional to 5,877.28, 8,815.85 and 1,984.42

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Solution

The fourth proportional to 5,877.28, 8,815.85 and 1,984.42 is: 2,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.28 : 8,815.85 = 1,984.42 : x
  2. Step 2: Convert to fraction form
    5,877.28/8,815.85 = 1,984.42/x
  3. Step 3: Cross multiply
    5,877.28x = 8,815.85 × 1,984.42
  4. Step 4: Simplify right side
    5,877.28x = 17,494,349.06
  5. Step 5: Solve for x
    x = 17,494,349.06/5,877.28
  6. Step 6: Final answer
    x = 2,976.61

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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.