Home / 10,410.50-15,614.60-2,619.31

Finding the Fourth Proportional to 10,410.50, 15,614.60 and 2,619.31

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Solution

The fourth proportional to 10,410.50, 15,614.60 and 2,619.31 is: 3,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.50 : 15,614.60 = 2,619.31 : x
  2. Step 2: Convert to fraction form
    10,410.50/15,614.60 = 2,619.31/x
  3. Step 3: Cross multiply
    10,410.50x = 15,614.60 × 2,619.31
  4. Step 4: Simplify right side
    10,410.50x = 40,899,477.93
  5. Step 5: Solve for x
    x = 40,899,477.93/10,410.50
  6. Step 6: Final answer
    x = 3,928.68

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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.