Home / 5,282.83-7,921.30-2,165.02

Finding the Fourth Proportional to 5,282.83, 7,921.30 and 2,165.02

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Solution

The fourth proportional to 5,282.83, 7,921.30 and 2,165.02 is: 3,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.83 : 7,921.30 = 2,165.02 : x
  2. Step 2: Convert to fraction form
    5,282.83/7,921.30 = 2,165.02/x
  3. Step 3: Cross multiply
    5,282.83x = 7,921.30 × 2,165.02
  4. Step 4: Simplify right side
    5,282.83x = 17,149,772.93
  5. Step 5: Solve for x
    x = 17,149,772.93/5,282.83
  6. Step 6: Final answer
    x = 3,246.32

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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.