Home / 7,934.28-11,902.21-2,937.99

Finding the Fourth Proportional to 7,934.28, 11,902.21 and 2,937.99

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Solution

The fourth proportional to 7,934.28, 11,902.21 and 2,937.99 is: 4,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.28 : 11,902.21 = 2,937.99 : x
  2. Step 2: Convert to fraction form
    7,934.28/11,902.21 = 2,937.99/x
  3. Step 3: Cross multiply
    7,934.28x = 11,902.21 × 2,937.99
  4. Step 4: Simplify right side
    7,934.28x = 34,968,581.30
  5. Step 5: Solve for x
    x = 34,968,581.30/7,934.28
  6. Step 6: Final answer
    x = 4,407.28

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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.