Home / 5,493.64-8,238.40-1,982.70

Finding the Fourth Proportional to 5,493.64, 8,238.40 and 1,982.70

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Solution

The fourth proportional to 5,493.64, 8,238.40 and 1,982.70 is: 2,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.64 : 8,238.40 = 1,982.70 : x
  2. Step 2: Convert to fraction form
    5,493.64/8,238.40 = 1,982.70/x
  3. Step 3: Cross multiply
    5,493.64x = 8,238.40 × 1,982.70
  4. Step 4: Simplify right side
    5,493.64x = 16,334,275.68
  5. Step 5: Solve for x
    x = 16,334,275.68/5,493.64
  6. Step 6: Final answer
    x = 2,973.31

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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.