Home / 9,322.20-13,976.64-4,389.30

Finding the Fourth Proportional to 9,322.20, 13,976.64 and 4,389.30

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Solution

The fourth proportional to 9,322.20, 13,976.64 and 4,389.30 is: 6,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.20 : 13,976.64 = 4,389.30 : x
  2. Step 2: Convert to fraction form
    9,322.20/13,976.64 = 4,389.30/x
  3. Step 3: Cross multiply
    9,322.20x = 13,976.64 × 4,389.30
  4. Step 4: Simplify right side
    9,322.20x = 61,347,665.95
  5. Step 5: Solve for x
    x = 61,347,665.95/9,322.20
  6. Step 6: Final answer
    x = 6,580.81

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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.