Home / 6,918.63-10,382-2,536.40

Finding the Fourth Proportional to 6,918.63, 10,382 and 2,536.40

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Solution

The fourth proportional to 6,918.63, 10,382 and 2,536.40 is: 3,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.63 : 10,382 = 2,536.40 : x
  2. Step 2: Convert to fraction form
    6,918.63/10,382 = 2,536.40/x
  3. Step 3: Cross multiply
    6,918.63x = 10,382 × 2,536.40
  4. Step 4: Simplify right side
    6,918.63x = 26,332,904.80
  5. Step 5: Solve for x
    x = 26,332,904.80/6,918.63
  6. Step 6: Final answer
    x = 3,806.09

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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.