Home / 5,282.20-7,913.70-4,456.60

Finding the Fourth Proportional to 5,282.20, 7,913.70 and 4,456.60

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Solution

The fourth proportional to 5,282.20, 7,913.70 and 4,456.60 is: 6,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.20 : 7,913.70 = 4,456.60 : x
  2. Step 2: Convert to fraction form
    5,282.20/7,913.70 = 4,456.60/x
  3. Step 3: Cross multiply
    5,282.20x = 7,913.70 × 4,456.60
  4. Step 4: Simplify right side
    5,282.20x = 35,268,195.42
  5. Step 5: Solve for x
    x = 35,268,195.42/5,282.20
  6. Step 6: Final answer
    x = 6,676.80

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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.