Home / 10,549.56-15,824.32-3,977.22

Finding the Fourth Proportional to 10,549.56, 15,824.32 and 3,977.22

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Solution

The fourth proportional to 10,549.56, 15,824.32 and 3,977.22 is: 5,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.56 : 15,824.32 = 3,977.22 : x
  2. Step 2: Convert to fraction form
    10,549.56/15,824.32 = 3,977.22/x
  3. Step 3: Cross multiply
    10,549.56x = 15,824.32 × 3,977.22
  4. Step 4: Simplify right side
    10,549.56x = 62,936,801.99
  5. Step 5: Solve for x
    x = 62,936,801.99/10,549.56
  6. Step 6: Final answer
    x = 5,965.82

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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.