Home / 7,460.91-11,191.14-1,914.03

Finding the Fourth Proportional to 7,460.91, 11,191.14 and 1,914.03

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Solution

The fourth proportional to 7,460.91, 11,191.14 and 1,914.03 is: 2,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460.91 : 11,191.14 = 1,914.03 : x
  2. Step 2: Convert to fraction form
    7,460.91/11,191.14 = 1,914.03/x
  3. Step 3: Cross multiply
    7,460.91x = 11,191.14 × 1,914.03
  4. Step 4: Simplify right side
    7,460.91x = 21,420,177.69
  5. Step 5: Solve for x
    x = 21,420,177.69/7,460.91
  6. Step 6: Final answer
    x = 2,870.99

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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.