Home / 10,529.52-15,794.30-2,738.40

Finding the Fourth Proportional to 10,529.52, 15,794.30 and 2,738.40

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Solution

The fourth proportional to 10,529.52, 15,794.30 and 2,738.40 is: 4,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.52 : 15,794.30 = 2,738.40 : x
  2. Step 2: Convert to fraction form
    10,529.52/15,794.30 = 2,738.40/x
  3. Step 3: Cross multiply
    10,529.52x = 15,794.30 × 2,738.40
  4. Step 4: Simplify right side
    10,529.52x = 43,251,111.12
  5. Step 5: Solve for x
    x = 43,251,111.12/10,529.52
  6. Step 6: Final answer
    x = 4,107.61

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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.