Home / 5,824.80-8,036.64-3,727.20

Finding the Fourth Proportional to 5,824.80, 8,036.64 and 3,727.20

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Solution

The fourth proportional to 5,824.80, 8,036.64 and 3,727.20 is: 5,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,824.80 : 8,036.64 = 3,727.20 : x
  2. Step 2: Convert to fraction form
    5,824.80/8,036.64 = 3,727.20/x
  3. Step 3: Cross multiply
    5,824.80x = 8,036.64 × 3,727.20
  4. Step 4: Simplify right side
    5,824.80x = 29,954,164.61
  5. Step 5: Solve for x
    x = 29,954,164.61/5,824.80
  6. Step 6: Final answer
    x = 5,142.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.