Home / 9,318.34-13,979.94-3,475

Finding the Fourth Proportional to 9,318.34, 13,979.94 and 3,475

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Solution

The fourth proportional to 9,318.34, 13,979.94 and 3,475 is: 5,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.34 : 13,979.94 = 3,475 : x
  2. Step 2: Convert to fraction form
    9,318.34/13,979.94 = 3,475/x
  3. Step 3: Cross multiply
    9,318.34x = 13,979.94 × 3,475
  4. Step 4: Simplify right side
    9,318.34x = 48,580,291.50
  5. Step 5: Solve for x
    x = 48,580,291.50/9,318.34
  6. Step 6: Final answer
    x = 5,213.41

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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.