Home / 7,739.28-11,597.58-3,835.89

Finding the Fourth Proportional to 7,739.28, 11,597.58 and 3,835.89

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Solution

The fourth proportional to 7,739.28, 11,597.58 and 3,835.89 is: 5,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.28 : 11,597.58 = 3,835.89 : x
  2. Step 2: Convert to fraction form
    7,739.28/11,597.58 = 3,835.89/x
  3. Step 3: Cross multiply
    7,739.28x = 11,597.58 × 3,835.89
  4. Step 4: Simplify right side
    7,739.28x = 44,487,041.15
  5. Step 5: Solve for x
    x = 44,487,041.15/7,739.28
  6. Step 6: Final answer
    x = 5,748.21

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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.