Home / 9,018.40-13,527.60-3,822.88

Finding the Fourth Proportional to 9,018.40, 13,527.60 and 3,822.88

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Solution

The fourth proportional to 9,018.40, 13,527.60 and 3,822.88 is: 5,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.40 : 13,527.60 = 3,822.88 : x
  2. Step 2: Convert to fraction form
    9,018.40/13,527.60 = 3,822.88/x
  3. Step 3: Cross multiply
    9,018.40x = 13,527.60 × 3,822.88
  4. Step 4: Simplify right side
    9,018.40x = 51,714,391.49
  5. Step 5: Solve for x
    x = 51,714,391.49/9,018.40
  6. Step 6: Final answer
    x = 5,734.32

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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.