Home / 9,719.70-14,583.60-3,147.90

Finding the Fourth Proportional to 9,719.70, 14,583.60 and 3,147.90

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Solution

The fourth proportional to 9,719.70, 14,583.60 and 3,147.90 is: 4,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.70 : 14,583.60 = 3,147.90 : x
  2. Step 2: Convert to fraction form
    9,719.70/14,583.60 = 3,147.90/x
  3. Step 3: Cross multiply
    9,719.70x = 14,583.60 × 3,147.90
  4. Step 4: Simplify right side
    9,719.70x = 45,907,714.44
  5. Step 5: Solve for x
    x = 45,907,714.44/9,719.70
  6. Step 6: Final answer
    x = 4,723.16

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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.