Home / 7,890.48-11,837.57-2,343.87

Finding the Fourth Proportional to 7,890.48, 11,837.57 and 2,343.87

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Solution

The fourth proportional to 7,890.48, 11,837.57 and 2,343.87 is: 3,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.48 : 11,837.57 = 2,343.87 : x
  2. Step 2: Convert to fraction form
    7,890.48/11,837.57 = 2,343.87/x
  3. Step 3: Cross multiply
    7,890.48x = 11,837.57 × 2,343.87
  4. Step 4: Simplify right side
    7,890.48x = 27,745,725.20
  5. Step 5: Solve for x
    x = 27,745,725.20/7,890.48
  6. Step 6: Final answer
    x = 3,516.35

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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.