Home / 9,174.64-13,752.63-3,620.35

Finding the Fourth Proportional to 9,174.64, 13,752.63 and 3,620.35

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Solution

The fourth proportional to 9,174.64, 13,752.63 and 3,620.35 is: 5,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.64 : 13,752.63 = 3,620.35 : x
  2. Step 2: Convert to fraction form
    9,174.64/13,752.63 = 3,620.35/x
  3. Step 3: Cross multiply
    9,174.64x = 13,752.63 × 3,620.35
  4. Step 4: Simplify right side
    9,174.64x = 49,789,334.02
  5. Step 5: Solve for x
    x = 49,789,334.02/9,174.64
  6. Step 6: Final answer
    x = 5,426.84

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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.