Home / 11,206.49-16,806.08-3,810.78

Finding the Fourth Proportional to 11,206.49, 16,806.08 and 3,810.78

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Solution

The fourth proportional to 11,206.49, 16,806.08 and 3,810.78 is: 5,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.49 : 16,806.08 = 3,810.78 : x
  2. Step 2: Convert to fraction form
    11,206.49/16,806.08 = 3,810.78/x
  3. Step 3: Cross multiply
    11,206.49x = 16,806.08 × 3,810.78
  4. Step 4: Simplify right side
    11,206.49x = 64,044,283.07
  5. Step 5: Solve for x
    x = 64,044,283.07/11,206.49
  6. Step 6: Final answer
    x = 5,714.93

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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.