Home / 5,161.88-7,123.41-2,804.04

Finding the Fourth Proportional to 5,161.88, 7,123.41 and 2,804.04

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Solution

The fourth proportional to 5,161.88, 7,123.41 and 2,804.04 is: 3,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.88 : 7,123.41 = 2,804.04 : x
  2. Step 2: Convert to fraction form
    5,161.88/7,123.41 = 2,804.04/x
  3. Step 3: Cross multiply
    5,161.88x = 7,123.41 × 2,804.04
  4. Step 4: Simplify right side
    5,161.88x = 19,974,326.58
  5. Step 5: Solve for x
    x = 19,974,326.58/5,161.88
  6. Step 6: Final answer
    x = 3,869.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.