Home / 5,381.82-7,426.71-3,023.91

Finding the Fourth Proportional to 5,381.82, 7,426.71 and 3,023.91

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Solution

The fourth proportional to 5,381.82, 7,426.71 and 3,023.91 is: 4,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.82 : 7,426.71 = 3,023.91 : x
  2. Step 2: Convert to fraction form
    5,381.82/7,426.71 = 3,023.91/x
  3. Step 3: Cross multiply
    5,381.82x = 7,426.71 × 3,023.91
  4. Step 4: Simplify right side
    5,381.82x = 22,457,702.64
  5. Step 5: Solve for x
    x = 22,457,702.64/5,381.82
  6. Step 6: Final answer
    x = 4,172.88

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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.