Home / 7,941.50-11,916.58-3,837.50

Finding the Fourth Proportional to 7,941.50, 11,916.58 and 3,837.50

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Solution

The fourth proportional to 7,941.50, 11,916.58 and 3,837.50 is: 5,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.50 : 11,916.58 = 3,837.50 : x
  2. Step 2: Convert to fraction form
    7,941.50/11,916.58 = 3,837.50/x
  3. Step 3: Cross multiply
    7,941.50x = 11,916.58 × 3,837.50
  4. Step 4: Simplify right side
    7,941.50x = 45,729,875.75
  5. Step 5: Solve for x
    x = 45,729,875.75/7,941.50
  6. Step 6: Final answer
    x = 5,758.34

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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.