Home / 9,005.64-13,500.36-3,811.92

Finding the Fourth Proportional to 9,005.64, 13,500.36 and 3,811.92

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Solution

The fourth proportional to 9,005.64, 13,500.36 and 3,811.92 is: 5,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.64 : 13,500.36 = 3,811.92 : x
  2. Step 2: Convert to fraction form
    9,005.64/13,500.36 = 3,811.92/x
  3. Step 3: Cross multiply
    9,005.64x = 13,500.36 × 3,811.92
  4. Step 4: Simplify right side
    9,005.64x = 51,462,292.29
  5. Step 5: Solve for x
    x = 51,462,292.29/9,005.64
  6. Step 6: Final answer
    x = 5,714.45

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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.