Home / 7,381.13-11,071.97-1,834.51

Finding the Fourth Proportional to 7,381.13, 11,071.97 and 1,834.51

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Solution

The fourth proportional to 7,381.13, 11,071.97 and 1,834.51 is: 2,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.13 : 11,071.97 = 1,834.51 : x
  2. Step 2: Convert to fraction form
    7,381.13/11,071.97 = 1,834.51/x
  3. Step 3: Cross multiply
    7,381.13x = 11,071.97 × 1,834.51
  4. Step 4: Simplify right side
    7,381.13x = 20,311,594.17
  5. Step 5: Solve for x
    x = 20,311,594.17/7,381.13
  6. Step 6: Final answer
    x = 2,751.83

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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.