Home / 9,318.74-13,977.65-3,474.89

Finding the Fourth Proportional to 9,318.74, 13,977.65 and 3,474.89

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Solution

The fourth proportional to 9,318.74, 13,977.65 and 3,474.89 is: 5,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.74 : 13,977.65 = 3,474.89 : x
  2. Step 2: Convert to fraction form
    9,318.74/13,977.65 = 3,474.89/x
  3. Step 3: Cross multiply
    9,318.74x = 13,977.65 × 3,474.89
  4. Step 4: Simplify right side
    9,318.74x = 48,570,796.21
  5. Step 5: Solve for x
    x = 48,570,796.21/9,318.74
  6. Step 6: Final answer
    x = 5,212.17

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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.