Home / 5,291.60-7,302.84-2,934.50

Finding the Fourth Proportional to 5,291.60, 7,302.84 and 2,934.50

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Solution

The fourth proportional to 5,291.60, 7,302.84 and 2,934.50 is: 4,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.60 : 7,302.84 = 2,934.50 : x
  2. Step 2: Convert to fraction form
    5,291.60/7,302.84 = 2,934.50/x
  3. Step 3: Cross multiply
    5,291.60x = 7,302.84 × 2,934.50
  4. Step 4: Simplify right side
    5,291.60x = 21,430,183.98
  5. Step 5: Solve for x
    x = 21,430,183.98/5,291.60
  6. Step 6: Final answer
    x = 4,049.85

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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.