Home / 8,964.07-13,446.06-3,120.64

Finding the Fourth Proportional to 8,964.07, 13,446.06 and 3,120.64

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Solution

The fourth proportional to 8,964.07, 13,446.06 and 3,120.64 is: 4,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.07 : 13,446.06 = 3,120.64 : x
  2. Step 2: Convert to fraction form
    8,964.07/13,446.06 = 3,120.64/x
  3. Step 3: Cross multiply
    8,964.07x = 13,446.06 × 3,120.64
  4. Step 4: Simplify right side
    8,964.07x = 41,960,312.68
  5. Step 5: Solve for x
    x = 41,960,312.68/8,964.07
  6. Step 6: Final answer
    x = 4,680.94

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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.