Home / 9,146.67-13,718.57-2,905.86

Finding the Fourth Proportional to 9,146.67, 13,718.57 and 2,905.86

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Solution

The fourth proportional to 9,146.67, 13,718.57 and 2,905.86 is: 4,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.67 : 13,718.57 = 2,905.86 : x
  2. Step 2: Convert to fraction form
    9,146.67/13,718.57 = 2,905.86/x
  3. Step 3: Cross multiply
    9,146.67x = 13,718.57 × 2,905.86
  4. Step 4: Simplify right side
    9,146.67x = 39,864,243.82
  5. Step 5: Solve for x
    x = 39,864,243.82/9,146.67
  6. Step 6: Final answer
    x = 4,358.33

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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.