Home / 7,888.66-11,834.08-2,890.38

Finding the Fourth Proportional to 7,888.66, 11,834.08 and 2,890.38

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Solution

The fourth proportional to 7,888.66, 11,834.08 and 2,890.38 is: 4,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.66 : 11,834.08 = 2,890.38 : x
  2. Step 2: Convert to fraction form
    7,888.66/11,834.08 = 2,890.38/x
  3. Step 3: Cross multiply
    7,888.66x = 11,834.08 × 2,890.38
  4. Step 4: Simplify right side
    7,888.66x = 34,204,988.15
  5. Step 5: Solve for x
    x = 34,204,988.15/7,888.66
  6. Step 6: Final answer
    x = 4,335.97

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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.