Home / 7,318.90-10,974.61-2,385.37

Finding the Fourth Proportional to 7,318.90, 10,974.61 and 2,385.37

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Solution

The fourth proportional to 7,318.90, 10,974.61 and 2,385.37 is: 3,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.90 : 10,974.61 = 2,385.37 : x
  2. Step 2: Convert to fraction form
    7,318.90/10,974.61 = 2,385.37/x
  3. Step 3: Cross multiply
    7,318.90x = 10,974.61 × 2,385.37
  4. Step 4: Simplify right side
    7,318.90x = 26,178,505.46
  5. Step 5: Solve for x
    x = 26,178,505.46/7,318.90
  6. Step 6: Final answer
    x = 3,576.84

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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.