Home / 5,293.38-7,308.21-3,405.84

Finding the Fourth Proportional to 5,293.38, 7,308.21 and 3,405.84

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Solution

The fourth proportional to 5,293.38, 7,308.21 and 3,405.84 is: 4,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.38 : 7,308.21 = 3,405.84 : x
  2. Step 2: Convert to fraction form
    5,293.38/7,308.21 = 3,405.84/x
  3. Step 3: Cross multiply
    5,293.38x = 7,308.21 × 3,405.84
  4. Step 4: Simplify right side
    5,293.38x = 24,890,593.95
  5. Step 5: Solve for x
    x = 24,890,593.95/5,293.38
  6. Step 6: Final answer
    x = 4,702.21

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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.