Home / 5,606.50-7,736.97-3,122.50

Finding the Fourth Proportional to 5,606.50, 7,736.97 and 3,122.50

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Solution

The fourth proportional to 5,606.50, 7,736.97 and 3,122.50 is: 4,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.50 : 7,736.97 = 3,122.50 : x
  2. Step 2: Convert to fraction form
    5,606.50/7,736.97 = 3,122.50/x
  3. Step 3: Cross multiply
    5,606.50x = 7,736.97 × 3,122.50
  4. Step 4: Simplify right side
    5,606.50x = 24,158,688.83
  5. Step 5: Solve for x
    x = 24,158,688.83/5,606.50
  6. Step 6: Final answer
    x = 4,309.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.