Home / 9,819.74-14,738.88-3,585.78

Finding the Fourth Proportional to 9,819.74, 14,738.88 and 3,585.78

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Solution

The fourth proportional to 9,819.74, 14,738.88 and 3,585.78 is: 5,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.74 : 14,738.88 = 3,585.78 : x
  2. Step 2: Convert to fraction form
    9,819.74/14,738.88 = 3,585.78/x
  3. Step 3: Cross multiply
    9,819.74x = 14,738.88 × 3,585.78
  4. Step 4: Simplify right side
    9,819.74x = 52,850,381.13
  5. Step 5: Solve for x
    x = 52,850,381.13/9,819.74
  6. Step 6: Final answer
    x = 5,382.06

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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.