Home / 7,890.17-11,837.34-2,343.56

Finding the Fourth Proportional to 7,890.17, 11,837.34 and 2,343.56

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Solution

The fourth proportional to 7,890.17, 11,837.34 and 2,343.56 is: 3,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.17 : 11,837.34 = 2,343.56 : x
  2. Step 2: Convert to fraction form
    7,890.17/11,837.34 = 2,343.56/x
  3. Step 3: Cross multiply
    7,890.17x = 11,837.34 × 2,343.56
  4. Step 4: Simplify right side
    7,890.17x = 27,741,457.34
  5. Step 5: Solve for x
    x = 27,741,457.34/7,890.17
  6. Step 6: Final answer
    x = 3,515.95

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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.