Home / 5,229.80-7,845.84-2,598.72

Finding the Fourth Proportional to 5,229.80, 7,845.84 and 2,598.72

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Solution

The fourth proportional to 5,229.80, 7,845.84 and 2,598.72 is: 3,898.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.80 : 7,845.84 = 2,598.72 : x
  2. Step 2: Convert to fraction form
    5,229.80/7,845.84 = 2,598.72/x
  3. Step 3: Cross multiply
    5,229.80x = 7,845.84 × 2,598.72
  4. Step 4: Simplify right side
    5,229.80x = 20,389,141.32
  5. Step 5: Solve for x
    x = 20,389,141.32/5,229.80
  6. Step 6: Final answer
    x = 3,898.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.