Home / 10,728.32-16,092.44-2,937.72

Finding the Fourth Proportional to 10,728.32, 16,092.44 and 2,937.72

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Solution

The fourth proportional to 10,728.32, 16,092.44 and 2,937.72 is: 4,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.32 : 16,092.44 = 2,937.72 : x
  2. Step 2: Convert to fraction form
    10,728.32/16,092.44 = 2,937.72/x
  3. Step 3: Cross multiply
    10,728.32x = 16,092.44 × 2,937.72
  4. Step 4: Simplify right side
    10,728.32x = 47,275,082.84
  5. Step 5: Solve for x
    x = 47,275,082.84/10,728.32
  6. Step 6: Final answer
    x = 4,406.57

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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.