Home / 5,364.60-7,389.30-3,789.96

Finding the Fourth Proportional to 5,364.60, 7,389.30 and 3,789.96

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Solution

The fourth proportional to 5,364.60, 7,389.30 and 3,789.96 is: 5,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.60 : 7,389.30 = 3,789.96 : x
  2. Step 2: Convert to fraction form
    5,364.60/7,389.30 = 3,789.96/x
  3. Step 3: Cross multiply
    5,364.60x = 7,389.30 × 3,789.96
  4. Step 4: Simplify right side
    5,364.60x = 28,005,151.43
  5. Step 5: Solve for x
    x = 28,005,151.43/5,364.60
  6. Step 6: Final answer
    x = 5,220.36

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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.