Home / 9,288.42-13,929.14-3,739.88

Finding the Fourth Proportional to 9,288.42, 13,929.14 and 3,739.88

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Solution

The fourth proportional to 9,288.42, 13,929.14 and 3,739.88 is: 5,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.42 : 13,929.14 = 3,739.88 : x
  2. Step 2: Convert to fraction form
    9,288.42/13,929.14 = 3,739.88/x
  3. Step 3: Cross multiply
    9,288.42x = 13,929.14 × 3,739.88
  4. Step 4: Simplify right side
    9,288.42x = 52,093,312.10
  5. Step 5: Solve for x
    x = 52,093,312.10/9,288.42
  6. Step 6: Final answer
    x = 5,608.41

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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.