Home / 10,437.39-15,651.93-3,861.36

Finding the Fourth Proportional to 10,437.39, 15,651.93 and 3,861.36

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Solution

The fourth proportional to 10,437.39, 15,651.93 and 3,861.36 is: 5,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.39 : 15,651.93 = 3,861.36 : x
  2. Step 2: Convert to fraction form
    10,437.39/15,651.93 = 3,861.36/x
  3. Step 3: Cross multiply
    10,437.39x = 15,651.93 × 3,861.36
  4. Step 4: Simplify right side
    10,437.39x = 60,437,736.42
  5. Step 5: Solve for x
    x = 60,437,736.42/10,437.39
  6. Step 6: Final answer
    x = 5,790.50

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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.