Home / 5,784.40-8,676.60-3,913.30

Finding the Fourth Proportional to 5,784.40, 8,676.60 and 3,913.30

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Solution

The fourth proportional to 5,784.40, 8,676.60 and 3,913.30 is: 5,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.40 : 8,676.60 = 3,913.30 : x
  2. Step 2: Convert to fraction form
    5,784.40/8,676.60 = 3,913.30/x
  3. Step 3: Cross multiply
    5,784.40x = 8,676.60 × 3,913.30
  4. Step 4: Simplify right side
    5,784.40x = 33,954,138.78
  5. Step 5: Solve for x
    x = 33,954,138.78/5,784.40
  6. Step 6: Final answer
    x = 5,869.95

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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.