Home / 9,146.42-13,718.20-2,905.61

Finding the Fourth Proportional to 9,146.42, 13,718.20 and 2,905.61

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Solution

The fourth proportional to 9,146.42, 13,718.20 and 2,905.61 is: 4,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.42 : 13,718.20 = 2,905.61 : x
  2. Step 2: Convert to fraction form
    9,146.42/13,718.20 = 2,905.61/x
  3. Step 3: Cross multiply
    9,146.42x = 13,718.20 × 2,905.61
  4. Step 4: Simplify right side
    9,146.42x = 39,859,734.96
  5. Step 5: Solve for x
    x = 39,859,734.96/9,146.42
  6. Step 6: Final answer
    x = 4,357.96

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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.