Home / 9,219.78-13,834.44-4,287.96

Finding the Fourth Proportional to 9,219.78, 13,834.44 and 4,287.96

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Solution

The fourth proportional to 9,219.78, 13,834.44 and 4,287.96 is: 6,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.78 : 13,834.44 = 4,287.96 : x
  2. Step 2: Convert to fraction form
    9,219.78/13,834.44 = 4,287.96/x
  3. Step 3: Cross multiply
    9,219.78x = 13,834.44 × 4,287.96
  4. Step 4: Simplify right side
    9,219.78x = 59,321,525.34
  5. Step 5: Solve for x
    x = 59,321,525.34/9,219.78
  6. Step 6: Final answer
    x = 6,434.16

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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.