Home / 5,655.04-7,805.44-3,171.84

Finding the Fourth Proportional to 5,655.04, 7,805.44 and 3,171.84

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Solution

The fourth proportional to 5,655.04, 7,805.44 and 3,171.84 is: 4,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.04 : 7,805.44 = 3,171.84 : x
  2. Step 2: Convert to fraction form
    5,655.04/7,805.44 = 3,171.84/x
  3. Step 3: Cross multiply
    5,655.04x = 7,805.44 × 3,171.84
  4. Step 4: Simplify right side
    5,655.04x = 24,757,606.81
  5. Step 5: Solve for x
    x = 24,757,606.81/5,655.04
  6. Step 6: Final answer
    x = 4,377.97

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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.