Home / 9,861.07-14,782.96-3,709.39

Finding the Fourth Proportional to 9,861.07, 14,782.96 and 3,709.39

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Solution

The fourth proportional to 9,861.07, 14,782.96 and 3,709.39 is: 5,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.07 : 14,782.96 = 3,709.39 : x
  2. Step 2: Convert to fraction form
    9,861.07/14,782.96 = 3,709.39/x
  3. Step 3: Cross multiply
    9,861.07x = 14,782.96 × 3,709.39
  4. Step 4: Simplify right side
    9,861.07x = 54,835,763.99
  5. Step 5: Solve for x
    x = 54,835,763.99/9,861.07
  6. Step 6: Final answer
    x = 5,560.83

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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.