Home / 5,921.02-8,878.65-3,456.64

Finding the Fourth Proportional to 5,921.02, 8,878.65 and 3,456.64

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Solution

The fourth proportional to 5,921.02, 8,878.65 and 3,456.64 is: 5,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.02 : 8,878.65 = 3,456.64 : x
  2. Step 2: Convert to fraction form
    5,921.02/8,878.65 = 3,456.64/x
  3. Step 3: Cross multiply
    5,921.02x = 8,878.65 × 3,456.64
  4. Step 4: Simplify right side
    5,921.02x = 30,690,296.74
  5. Step 5: Solve for x
    x = 30,690,296.74/5,921.02
  6. Step 6: Final answer
    x = 5,183.28

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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.