Home / 9,170.34-13,752.66-3,905.28

Finding the Fourth Proportional to 9,170.34, 13,752.66 and 3,905.28

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Solution

The fourth proportional to 9,170.34, 13,752.66 and 3,905.28 is: 5,856.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.34 : 13,752.66 = 3,905.28 : x
  2. Step 2: Convert to fraction form
    9,170.34/13,752.66 = 3,905.28/x
  3. Step 3: Cross multiply
    9,170.34x = 13,752.66 × 3,905.28
  4. Step 4: Simplify right side
    9,170.34x = 53,707,988.04
  5. Step 5: Solve for x
    x = 53,707,988.04/9,170.34
  6. Step 6: Final answer
    x = 5,856.71

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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.