Home / 7,639.56-11,464.62-3,741.84

Finding the Fourth Proportional to 7,639.56, 11,464.62 and 3,741.84

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Solution

The fourth proportional to 7,639.56, 11,464.62 and 3,741.84 is: 5,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.56 : 11,464.62 = 3,741.84 : x
  2. Step 2: Convert to fraction form
    7,639.56/11,464.62 = 3,741.84/x
  3. Step 3: Cross multiply
    7,639.56x = 11,464.62 × 3,741.84
  4. Step 4: Simplify right side
    7,639.56x = 42,898,773.70
  5. Step 5: Solve for x
    x = 42,898,773.70/7,639.56
  6. Step 6: Final answer
    x = 5,615.35

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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.